Arthropods | Arthropoda

Arthropods are small invertebrates characterized by an external skeleton, a body having segments each with paired jointed appendages. They are classified under phylum Arthropoda with their bodies being bilaterally symmetrical and also containing cuticles. Most Arthropods use a compound eye as their primary source of information. Additionally, they are a good source of food and also play an essential role in the environment as pollinators, scavengers, and recyclers of nutrients. They are adaptable and are the only animals that are successfully dominating the land, water, and aerial habitats. Unlike other animals that increase continuously on their own, Arthropods have to go through a process called molting when growing.

What is the largest group of arthropods?

The largest group of arthropods are insects, and they can be distinguished from other arthropods through specific characteristics. These characteristics include them having 3 body regions, 3 pairs of legs, as well as a pair of antennae. Most insects also have the ability to fly, which other arthropods lack.

How do arthropods grow?

The arthropods grow through the process of forming new segments near their tail. The growth of an arthropod is very similar to the growth of annelids. Arthropods like mollusks have a tough exoskeleton, but this exoskeleton does not grow along with the rest of the animal and they have to shed their exoskeleton periodically.

Why are arthropods important?

Arthropods are considered because they carry out a different number of roles and tasks. Arthropods can help with pest control or weed control, they also carry an important ecological role due to their large number of species and diversity. Arthropods also serve as food for other species within the food chain.

Arthropods Guides
Browse through our curated Arthropods Guides for additional categorizations, tips, details, variations, styles, and histories of Arthropods. Guides provide additional insights into the unique properties and shared relationships between elements.
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.91”-1.14” | 23-29 mm
11”-11.8” | 28-30 cm
8-15 years
Amazonian Giant Centipede
2.900
30.000
15.00
15000
3D
Amazonian Giant Centipede
.2”-.39” | 5-10 mm
.43”-.79” | 11-20 mm
1.18”-2.09” | 30-53 mm
1-2 years
American Cockroach
1.000
2.000
5.300
2.00
68000
3D
American Cockroach
.35”-.51” | 9-13 mm
3.9”-5.1” | 10-13 cm
.07-.09 oz | 2-2.5 g
5-11 years
American Giant Millipede
1.300
13.000
0.003
11.00
2500
3D
American Giant Millipede
.2”-.28” | 5-7 mm
.2”-.28” | 5-7 mm
2”-2.4” | 5-6 cm
.03-.07 oz | 1-2 g
2-6 years
Antarctic Krill
0.700
0.700
6.000
0.002
6.00
6100
3D
Antarctic Krill
.55”-.67” | 1.4-1.7 cm
.51”-.63” | 1.3-1.6 cm
3.1”-3.9” | 7.9-9.9 cm
.02-.17 oz | .5-5 g
3-8 years
Arabian Fat-Tailed Scorpion
1.700
1.600
9.900
0.005
8.00
900
3D
Arabian Fat-Tailed Scorpion
.16”-.22” | .4-.55 cm
.39”-.51” | 1-1.3 cm
2.56”-3.15” | 6.5-8 cm
2 oz | 57 g
5-7 years
Arizona Bark Scorpion
0.550
1.300
8.000
0.057
7.00
10800
3D
Arizona Bark Scorpion
.24”-.47” | 6-12 mm
.28”-.51” | 7-13 mm
.98”-1.77” | 25-45 mm (Worker); 1.57”-1.97” | 40-50 mm (Queen)
3-5 months (Worker); 1 year (Queen)
Asian Giant Hornet
1.200
1.300
4.500
0.42
75000
3D
Asian Giant Hornet
.22”-.26” | 5.5-6.5 mm
.2”-.24” | 5-6 mm
.79”-.94” | 20-24 mm (Worker); 1.18” | 30 mm (Queen)
2-3 weeks (Worker); 1 year (Queen)
Asian Hornet
0.650
0.600
2.400
0.06
52000
3D
Asian Hornet
.1”-.16” | 2.5-4 mm
.16”-.26” | 4-6.5 mm
.22”-.33” | 5.5-8.5 mm
2-3 years
Asian Lady Beetle
0.400
0.650
0.850
3.00
64000
3D
Asian Lady Beetle
.03”-.09” | .7-2.3 mm
.02”-.06” | .5-1.5 mm
.12”-.39” | 3-10 mm
30-40 days
Asian Tiger Mosquito
0.230
0.150
1.000
0.11
47000
3D
Asian Tiger Mosquito
.63”-.79” | 16-20 mm
9.84”-12” | 25-30.5 cm (Wingspan)
2.13”-2.64” | 54-67 mm
2-3 months
Atlas Moth
2.000
30.500
6.700
0.25
90000
3D
Atlas Moth
.035”-.05” | .9-1.3 mm
.04”-.06” | 1-1.5 mm
.14”-.2” | 3.5-5 mm (Worker); .31”-.35” | 8-9 mm (Queen)
1-2 years (Worker); 10-15 years (Queen)
Black Garden Ant
0.130
0.150
0.500
2.00
29000
3D
Black Garden Ant
.14”-.24” | 3.5-6 mm (Male); .18”-.28” | 4.5-7 mm (Female)
.12”-.2” | 3-5 mm (Male); .16”-.24” | 4-6 mm (Female)
.95”-1.54” | 24-39 mm (Male); 1.22”-1.85” | 31-47 mm (Female)
1-2 years
Black House Spider
0.700
0.600
4.700
2.00
41600
3D
Black House Spider
.18”-.22” | 4.5-5.5 mm
2.64”-3.5” | 67-89 mm (Wingspan)
.79”-1.1” | 20-28 mm
2-3 months
Black Swallowtail
0.550
8.900
2.800
0.25
20600
3D
Black Swallowtail
.08”-.2” | 2-5 mm
.98”-2.56” | 25-65 mm
.39”-.91” | 10-23 mm
1-3 years
Bold Jumping Spider
0.500
6.500
2.300
3.00
28000
3D
Bold Jumping Spider
.05”-.09” | 1.2-2.4 mm
.06”-.12” | 1.5-3 mm
.16”-.31” | 4-8 mm
17-21 days
Boll Weevil
0.240
0.300
0.800
0.06
27800
3D
Boll Weevil
.12”-.18” | 3-4.5 mm
.15”-.21” | 3.7-5.3 mm
.43”-63” | 11-16 mm
1 year
Boxelder Bug
0.450
0.530
1.600
1.00
39400
3D
Boxelder Bug
.03”-.04” | .7-1 mm
.04”-.07” | 1.1-1.7 mm
.17”-.24” | 4.2-6.2 mm
3-18 months
Brown Dog Tick
0.100
0.170
0.620
1.50
24000
3D
Brown Dog Tick
.14”-.22” | 3.5-5.5 mm
.26”-.42” | 6.7-10.7 mm
.47”-.75” | 12-19 mm
6-8 months
Brown Marmorated Stink Bug
0.550
1.070
1.900
0.66
80000
3D
Brown Marmorated Stink Bug
.09”-.16” | 2.2-4 mm
.08”-.16” | 2-4 mm
.83”-1.46” | 21-37 mm
2-4 years
Brown Recluse Spider
0.400
0.400
3.700
4.00
139000
3D
Brown Recluse Spider
.12”-.18” | 3-4.5 mm (Male); .28”-.37” | 7-9.5 mm (Female)
.12”-.16” | 3-4 mm (Male); .22”-.3” | 5.5-7.5 mm (Female)
.98”-1.38” | 25-35 mm (Male); 2.05”-2.72” | 52-69 mm (Female)
1-3 years
Brown Widow
0.950
0.750
6.900
3.00
61300
3D
Brown Widow
.12”-.2” | 3-5 mm
.16”-.28” | 4-7 mm
.71”-1.18” | 18-30 mm
2-3 months (Worker); 1-2 years (Queen)
Bullet Ant
0.500
0.700
3.000
0.25
77400
3D
Bullet Ant
.43”-.67” | 11-17 mm
.35”-.55” | 9-14 mm
5.51”-8.07” | 14-20.5 cm
1-1.5 years
Camel Spider
1.700
1.400
20.500
1.50
247060
3D
Camel Spider
1.4”-3.9” | 3.5-10 cm
1.2”-3.1” | 3-8 cm
2”-6” | 5.1-15.2 cm (Overall)
.22-1 lb | .1-.45 kg
15-30 years
Caribbean Hermit Crab
10.000
8.000
15.200
0.450
30.00
1650
3D
Caribbean Hermit Crab
.05”-.12” | 1.3-3 mm
.06”-.14” | 1.5-3.5 mm
.24”-.55” | 6-14 mm (Worker); .63”-.71” | 16-18 mm (Queen)
4-7 years (Worker); 10-15 years (Queen)
Carpenter Ant
0.300
0.350
1.400
7.00
50300
3D
Carpenter Ant
.02”-.04” | .6-1 mm
.02”-.04” | .6-1 mm
.08”-.12” | 2-3 mm
4-25 days
Cat Flea
0.100
0.100
0.300
0.07
25600
3D
Cat Flea
.24”-.28” | 6-7 mm
.2”-.28” | 5-7 mm
1.25”-1.5” | 3.2-3.8 cm
.1-.2 oz | 3-5 g
1-2 years
Cherry Shrimp
0.700
0.700
3.800
0.005
2.00
37700
3D
Cherry Shrimp
.6”-1.7” | 1.4-4.4 cm
1.2”-3.9” | 3-10 cm (Carapace)
1”-3” | 2.5-7.5 cm (Carapace)
1.6-5.6 oz | 45-160 g
2-5 years
Chinese Mitten Crab
4.400
10.000
7.500
0.160
5.00
6150
3D
Chinese Mitten Crab
.013”-.016” | .34-.4 mm
.018-.02” | .45-.5 mm
.055”-.063” | 1.4-1.6 mm
2-3 weeks
Clover Mite
0.040
0.050
0.160
0.06
9400
3D
Clover Mite
2.4”-5.9” | 6-15 cm
3”-8” | 7.6-20.3 cm (Carapace)
5.9”-15.75” | 15-40 cm (Carapace)
8.8-11 lb | 4-5 kg
40-60 years
Coconut Crab
15.000
20.300
40.000
5.000
60.00
256900
3D
Coconut Crab
.11”-.21” | 2.7-5.3 mm
.14”-.28” | 3.5-7 mm
.24”-.47” | 6-12 mm
2-12 months
Colorado Potato Beetle
0.530
0.700
1.200
1.00
7100
3D
Colorado Potato Beetle
.06”-.12” | 1.5-3 mm (Male); .14”-.22” | 3.5-5.5 mm (Female)
.05”-.1” | 1.2-2.5 mm (Male); .12”-2” | 3-5 mm (Female)
.33”-.67” | 8.5-17 mm (Male); .79”-1.3” | 20-33 mm (Female)
1-2 years
Common House Spider
0.550
0.500
3.300
2.00
30000
3D
Common House Spider
.12”-.26” | 3-6.5 mm
.16”-.33” | 4-8.5 mm
.35”-.71” | 9-18 mm
2-4 years
Common Potato Bug
0.650
0.850
1.800
4.00
125000
3D
Common Potato Bug
.28”-.43” | .7-1.1 cm
.43”-.71” | 1.1-1.8 cm
2.75”-4.33” | 7-11 cm
.035-.09 oz | 1-2.5 g
4-12 years
Deathstalker
1.100
1.800
11.000
0.003
12.00
17200
3D
Deathstalker
Deer Tick
129000
.01”-.024” | .2-.6 mm
.02”-.06” | .5-1.5 mm
.08”-.24” | 2-6 mm
2-3 years
Deer Tick
0.060
0.150
0.600
3.00
129000
3D
Deer Tick
.43”-.71” | 11-18 mm
.35”-.59” | 9-15 mm
1.97”-3.15” | 5-8 cm
3-12 months
Desert Locust
1.800
1.500
8.000
1.00
7100
3D
Desert Locust
.2”-.43” | 5-11 mm
3.9”-5.9” | 10-15 cm
7-10 years
Desert Millipede
1.100
15.000
10.00
1150
3D
Desert Millipede
.04”-.07” | 1-1.8 mm
.03”-.04” | .8-1 mm
.12”-.16” | 3-4 mm
2-3 weeks
Dog Flea
0.180
0.100
0.400
0.06
25500
3D
Dog Flea
.2”-.35” | 5-9 mm
1.18”-1.97” | 30-50 mm (Wingspan)
.67”-1.14” | 17-29 mm
6-8 weeks
Domestic Silk Moth
0.900
5.000
2.900
0.15
58300
3D
Domestic Silk Moth
.05”-.07” | 1.3-1.8 mm
.06”-.1” | 1.5-2.5 mm
.12”-.2” | 3-5 mm
21-27 days
Drain Fly
0.180
0.250
0.500
0.07
21500
3D
Drain Fly
2.1”-3.5” | 5.4-8.9 cm
5.9”-9.8” | 15-25 cm (Carapace)
3.9”-6.5” | 10-16.5 cm (Carapace)
2-4.4 lb | .9-2 kg
8-13 years
Dungeness Crab
8.900
25.000
16.500
2.000
13.00
103060
3D
Dungeness Crab
.2”-.39” | 5-10 mm
3.15”-5.51” | 80-140 mm (Wingspan)
.87”-1.54” | 22-39 mm
2-3 months
Eastern Tiger Swallowtail
1.000
14.000
3.900
0.25
11900
3D
Eastern Tiger Swallowtail
.07”-.11” | 1.8-2.8 mm
.08”-.12” | 2-3 mm
.31-.47” | 8-12 mm
3-5 weeks
Emerald Ash Borer
0.280
0.300
1.200
0.10
28300
3D
Emerald Ash Borer
.75”-1.02” | 1.9-2.6 cm
1.02”-1.46” | 2.6-3.7 cm
5.9”-7.9” | 15-20 cm
1-2 oz | 28-57 g
5-8 years
Emperor Scorpion
2.600
3.700
20.000
0.057
8.00
24400
3D
Emperor Scorpion
1”-1.7” | 2.6-4.3 cm
2.5”-4” | 6.4-10.2 cm (Carapace)
2.1”-3.3” | 5.3-8.5 cm (Carapace)
2.6-3 oz | 75-85 g
3-5 years
European Green Crab
4.300
10.200
8.500
0.085
5.00
5500
3D
European Green Crab
.07”-.17” | 1.8-4.3 mm
.08”-.18” | 2-4.5 mm
2.64”-6.18” | 6.7-15.7 cm
1 year
European Harvestman
0.430
0.450
15.700
1.00
4250
3D
European Harvestman
.18”-.28” | 4.5-7 mm
.16”-.26” | 4-6.5 mm
.71”-.94” | 18-24 mm (Worker); .98”-1.38” | 25-35 mm (Queen)
2-6 weeks (Worker); 1 year (Queen)
European Hornet
0.700
0.650
2.400
0.12
74000
3D
European Hornet
.03”-.07” | .7-1.9 mm
.03”-.07” | .7-1.9 mm
.12”-.31” | 3-8 mm
2-3 months (Worker); 2-7 years (Queen)
Fire Ant
0.190
0.190
0.800
0.25
63000
3D
Fire Ant
Firebug
29800
.06”-.12” | 1.6-3 mm
.11”-.21” | 2.7-5.3 mm
.26”-.47” | 6.5-12 mm
1-2 years
Firebug
0.300
0.530
1.200
2.00
29800
3D
Firebug
2.6”-3” | 6.5-7.5 cm
5.1”-5.7” | 13-14.5 cm (Carapace)
3”-3.4” | 7.6-8.7 cm (Carapace)
3-6 oz | 85-170 g
6-8 years
Florida Stone Crab
7.500
14.500
8.700
0.170
8.00
2560
3D
Florida Stone Crab
.12”-.18” | 3-4.5 mm
.16”-.24” | 4-6 mm
.43”-.63” | 11-16 mm
3-9 months
German Cockroach
0.450
0.600
1.600
0.75
103600
3D
German Cockroach
.26”-.43” | 6.5-11 mm
.26”-.39” | 6.5-10 mm
1.77”-2.36” | 45-60 mm
4-8 months
Ghost Mantis
1.100
1.000
6.000
0.66
18300
3D
Ghost Mantis
.6”-.75” | 15-19 mm
11”-13.4” | 28-34 cm
6.4-9.6 oz | 181-272 g
7-10 years
Giant African Millipede
1.900
34.000
0.272
10.00
4600
3D
Giant African Millipede
.28”-.55” | 7-14 mm
3”-6.3” | 7.5-16 cm
3-5 years
Giant Centipede
1.400
16.000
5.00
29040
3D
Giant Centipede
.47”-.63” | 12-16 mm
6.7”-7.9” | 17-20 cm
3-6 years
Giant Desert Centipede
1.600
20.000
6.00
7600
3D
Giant Desert Centipede
.39”-.67” | 1-1.7 cm
.75”-1.25” | 1.9-3.2 cm
3.94”-7.1” | 10-18 cm
.14-.25 oz | 4-7 g
7-10 years (wild); 15-20 years (captivity)
Giant Hairy Scorpion
1.700
3.200
18.000
0.007
20.00
4000
3D
Giant Hairy Scorpion
.24”-.39” | 6-10 mm
2.24”-3.58” | 57-91 mm (Wingspan)
1.18”-1.89” | 30-48 mm
2-3 years
Giant Leopard Moth
1.000
9.100
4.800
3.00
13600
3D
Giant Leopard Moth
.35”-.55” | .9-1.4 cm
.47”-.71” | 1.2-1.8 cm
1.57”-2.36” | 4-6 cm (Body)
.035-.07 oz | 1-2 g
4-7 years
Giant Whip Scorpion
1.400
1.800
6.000
0.002
7.00
1800
3D
Giant Whip Scorpion
1.57”-2.24” | 4-5.7 cm
1.57”-2.24” | 4-5.7 cm
8.07”-11.42” | 20.5-29 cm
5-6.2 oz | .14-.18 kg
3-6 years (Male); 10-20 years (Female)
Goliath Birdeater
5.700
5.700
29.000
0.180
20.00
120000
3D
Goliath Birdeater
.22”-.39” | 5.5-10 mm
.33”-.59” | 8.5-15 mm
.59”-1.06” | 15-27 mm
1 year
Green June Beetle
1.000
1.500
2.700
1.00
12800
3D
Green June Beetle
.12”-.14” | 3-3.5 mm (Male); .13”-.24” | 3.2-6 mm (Female)
.11”-.13” | 2.8-3.3 mm (Male); .12”-.22” | 3-5.5 mm (Female)
1.02”-1.18” | 26-30 mm (Male); 1.1”-2.05” | 28-52 mm (Female)
1 year
Green Lynx Spider
0.600
0.550
5.200
1.00
6950
3D
Green Lynx Spider
.16”-.24” | 4-6 mm
.28”-.39” | 7-10 mm
.51”-.75” | 13-19 mm
30-45 days
Green Stink Bug
0.600
1.000
1.900
0.12
13350
3D
Green Stink Bug
.08”-.1” | 2-2.5 mm
.7”-.9” | 1.8-2.3 cm
4-7 years
Greenhouse Millipede
0.250
2.300
7.00
5800
3D
Greenhouse Millipede
.14”-.2” | 3.5-5 mm
2.56”-3.74” | 65-95 mm (Wingspan)
.79”-1.14” | 20-29 mm
2-3 months
Gulf Fritillary
0.500
9.500
2.900
0.25
7340
3D
Gulf Fritillary
.16”-.31” | 4-8 mm
1.38”-2.75” | 35-70 mm (Wingspan)
.55”-1.1” | 14-28 mm
11-12 months
Gypsy Moth
0.800
7.000
2.800
1.00
91000
3D
Gypsy Moth
.47”-1.42” | 12-36 mm
.67”-2.09” | 17-53 mm
2.36”-7.09” | 6-18 cm
1.5-3 years
Hercules Beetle
3.600
5.300
18.000
3.00
52500
3D
Hercules Beetle
.14”-.26” | 3.5-6.5 mm
1”-1.5” | 2.5-3.8 cm
3-7 years
House Centipede
0.650
3.800
7.00
148000
3D
House Centipede
.16”-.22” | 4-5.5 mm
.2”-.24” | 5-6 mm
.63”-.83” | 16-21 mm
2-3 months
House Cricket
0.550
0.600
2.100
0.25
14100
3D
House Cricket
.06”-.11” | 1.4-2.9 mm
.05”-.1” | 1.3-2.5 mm
.16”-.31” | 4-8 mm
15-30 days
Housefly
0.290
0.250
0.800
0.08
68000
3D
Housefly
.043”-.07” | 1.1-1.8 mm
.04”-.06” | .9-1.4 mm
.1”-.16” | 2.5-4 mm
14-16 days
Human Flea
0.180
0.140
0.400
0.13
11500
3D
Human Flea
.12”-.2” | 3-5 mm
.2”-.3” | 5-7.5 mm
.35”-.55” | 9-14 mm
1 year
Japanese Beetle
0.500
0.750
1.400
1.00
84000
3D
Japanese Beetle
4.1”-6.5” | 10.5-16.6 cm
7.9”-15” | 20-38 cm (Carapace)
9.25”-14” | 23.5-35.5 cm (Carapace)
28.7-44.1 lb | 13-20 kg
50-100 years
Japanese Spider Crab
16.600
38.000
35.500
20.000
100.00
85100
3D
Japanese Spider Crab
2”-3” | 5.1-7.7 cm
5.9”-8.7” | 15-22 cm (Carapace)
3.7”-5.6” | 9.5-14.3 cm (Carapace)
.75-1.2 lb | .34-.54 kg
1-5 years
Jonah Crab
7.700
22.000
14.300
0.540
5.00
7050
3D
Jonah Crab
.006”-.01” | .15-.3 mm
.008”-.016” | .2-.4 mm
.04”-.08” | 1-2 mm (Worker); .16”-.2” | 4-5 mm (Queen)
3-4 months (Worker); 1 year (Queen)
Little Black Ant
0.030
0.040
0.200
0.33
4800
3D
Little Black Ant
.03”-.04” | .8-1.1 mm
.07”-.09” | 1.7-2.3 mm
.22”-.31” | 5.5-8 mm
.66-2 years
Lone Star Tick
0.110
0.230
0.800
2.00
57500
3D
Lone Star Tick
Luna Moth
170500
.22”-.33” | 5.5-8.5 mm
2.95”-4.13” | 75-105 mm (Wingspan)
.94”-1.3” | 24-33 mm
2-3 months
Luna Moth
0.850
10.500
3.300
0.25
170500
3D
Luna Moth
1.6”-5.5” | 4-14 cm
2”-5.9” | 5-15 cm
7.9”-23.6” | 20-60 cm
9-44 lb | 4-20 kg
50-140 years
Maine Lobster | American Lobster
14.000
15.000
60.000
20.000
140.00
32400
3D
Maine Lobster | American Lobster
1.8”-2.4” | 4.5-6 cm
5.1”-7.1” | 13-18 cm
11.8”-15.75” | 30-40 cm
2.2-10 lb | 1-4.5 kg
12-20 years
Mangrove Horseshoe Crab
6.000
18.000
40.000
4.500
20.00
230
3D
Mangrove Horseshoe Crab
.12”-.18” | 3-4.5 mm
.16”-.24” | 4-6 mm
.49”-.71” | 12.5-18 mm
3-5 months
Mealworm Beetle
0.450
0.600
1.800
0.42
17500
3D
Mealworm Beetle
.2”-.24” | 5-6 mm
2.75”-3.94” | 70-100 mm (Wingspan)
.98”-1.38” | 25-35 mm
8-9 months
Monarch Butterfly
0.600
10.000
3.500
0.75
253000
3D
Monarch Butterfly
.35”-.85” | 9-21.5 mm
.3”-.75” | 7.5-19 mm
.98”-2.44” | 25-62 mm
2-3 months
Mormon Cricket
2.150
1.900
6.200
0.25
7600
3D
Mormon Cricket
.14”-.26” | 3.5-6.5 mm
2.24”-3.94” | 57-100 mm (Wingspan)
.79”-1.38” | 20-35 mm
11-12 months
Mourning Cloak Butterfly
0.650
10.000
3.500
1.00
11300
3D
Mourning Cloak Butterfly
.12”-.28” | 3-7 mm
.2”-.5” | 5-12.5 mm
1.18”-2.75” | 3-7 cm
5-9 months
Orchid Mantis
0.700
1.250
7.000
0.75
90500
3D
Orchid Mantis
.18”-.26” | 4.5-6.5 mm
2”-2.87” | 51-73 mm (Wingspan)
.79”-1.18” | 20-30 mm
11-12 months
Painted Lady Butterfly
0.650
7.300
3.000
1.00
44000
3D
Painted Lady Butterfly
.3”-1” | .8-2.5 cm
.5”-2” | 1.3-5 cm
2”-7” | 5.1-17.8 cm
.4-3.2 oz | 12-90 g
4-6 years
Peacock Mantis Shrimp
2.500
5.000
17.800
0.090
6.00
24200
3D
Peacock Mantis Shrimp
.055”-.07” | 1.4-1.8 mm
.06”-.08” | 1.5-2 mm
.28”-.35” | 7-9 mm
1 year
Peacock Spider
0.180
0.200
0.900
1.00
43000
3D
Peacock Spider
.12”-.24” | 3-6 mm
1.38”-2.44” | 35-62 mm (Wingspan)
.55”-.98” | 14-25 mm
8-12 months
Peppered Moth
0.600
6.200
2.500
1.00
14200
3D
Peppered Moth
.16”-.35” | 4-9 mm
.3”-.8” | .8-2 cm
5-11 years
Pill Millipede
0.900
2.000
11.00
1700
3D
Pill Millipede
.18”-.35” | 4.5-9 mm
2.75”-5.12” | 70-130 mm (Wingspan)
.94”-1.77” | 24-45 mm
30-45 days
Pipevine Swallowtail
0.900
13.000
4.500
0.13
10300
3D
Pipevine Swallowtail
.31”-.51” | 8-13 mm
3.9"-5.9” | 100-150 mm (Wingspan)
.79”-1.18” | 20-30 mm
2-3 months
Polyphemus Moth
1.300
15.000
3.000
0.25
46000
3D
Polyphemus Moth
.11”-.13” | 2.7-3.4 mm (Male); .17”-.22” | 4.2-5.6 mm (Female)
.14”-.19” | 3.6-4.7 mm (Male); .22”-.26” | 5.7-6.7 mm (Female)
1.57”-1.97” | 40-50 mm (Male); 2.48”-3.27” | 63-83 mm (Female)
1-2 years
Rabid Wolf Spider
0.560
0.670
8.300
2.00
13900
3D
Rabid Wolf Spider
.2”-.24” | 5-6 mm
1.97”-2.36” | 50-60 mm (Wingspan)
.75”-.94” | 19-24 mm
8-10 months
Red Admiral Butterfly
0.600
6.000
2.400
0.83
21400
3D
Red Admiral Butterfly
3.9”-6.5” | 9.8-16.4 cm
5.9”-11” | 15-28 cm (Carapace)
5.1”-10” | 13-25.3 cm (Carapace)
24-28 lb | 10.9-12.7 kg
20-30 years
Red King Crab
16.400
28.000
25.300
12.700
30.00
11300
3D
Red King Crab
.24”-.33” | 6-8.5 mm
.24”-.33” | 6-8.5 mm
.94”-1.26” | 24-32 mm
12-22 days (Worker); 1 year (Queen)
Red Paper Wasp
0.850
0.850
3.200
0.06
8500
3D
Red Paper Wasp
.8”-1.4” | 2-3.5 cm
2”-3.4” | 5-8.7 cm (Carapace)
1.8”-3.1” | 4.6-8 cm (Carapace)
.8-2 lb | .36-.91 kg
8-12 years
Red Rock Crab
3.500
8.700
8.000
0.910
12.00
3800
3D
Red Rock Crab
.006”-.008” | .15-.2 mm
.008”-.01” | .2-.3 mm
.04”-.05” | 1-1.3 mm
2-4 weeks
Red Spider Mite
0.020
0.030
0.130
0.08
12000
3D
Red Spider Mite
.16”-.26” | 4-6.7 mm
.18”-.31” | 4.5-8 mm
.59”-.98” | 15-25 mm
1 year
Red Velvet Ant
0.670
0.800
2.500
1.00
14500
3D
Red Velvet Ant
.07”-.09” | 1.8-2.4 mm (Male); .19”-.24” | 4.7-6 mm (Female)
.06”-.09” | 1.6-2.2 mm (Male); .17”-.21” | 4.3-5.4 mm (Female)
.43”-.55” | 11-14 mm (Male); 1.1”-1.34” | 28-34 mm (Female)
1-3 years
Redback Spider
0.600
0.540
3.400
3.00
61300
3D
Redback Spider
.35”-.55” | 9-14 mm
.59”-.94” | 15-24 mm
.98”-1.5” | 25-38 mm
1-3 years
Sacred Scarab
1.400
2.400
3.800
3.00
1600
3D
Sacred Scarab
.016”-.024” | .4-.6 mm
.008”-.01” | .2-.3 mm
.03”-.04” | .8-1 mm
4-6 weeks
Sand Flea
0.060
0.030
0.100
0.12
37000
3D
Sand Flea
Atlas Moth (Attacus atlas)
Scale illustration of an average Atlas Moth compared to other insect species

The Atlas Moth (Attacus atlas) is a saturniid moth native to the forests of Asia. Their preferred habitats are dry tropical forests, secondary forests, and shrublands across South Asia, East Asia, and Southeast Asia, including Borneo. The female Atlas Moth is noticeably larger and heavier than the male moth, but males have a broader antennae. Their bodies are disproportionately small compared to the wings. The upper side of the wings are red-brown with a black, white, pink, and purple pattern. The wings’ undersides are paler, and both forewings have a prominent extension at the tip.

The Atlas Moth has a total wingspan in the range of 9.84”-12” (25-30.5 cm). The body of the Atlas Moth has an overall length between 2.13”-2.64” (54-67 mm), body width of .83”-1.02” (21-26 mm), and body height of .63”-.79” (16-20 mm). The typical lifespan of the Atlas Moth is between 2-3 months.

Series of measured illustrations of the Atlas Moth
The Atlas Moth (Attacus atlas) is a saturniid moth native to the forests of Asia. Their preferred habitats are dry tropical forests, secondary forests, and shrublands across South Asia, East Asia, and Southeast Asia, including Borneo. The female Atlas Moth is noticeably larger.

The Atlas Moth has a total wingspan in the range of 9.84”-12” (25-30.5 cm). The body of the Atlas Moth has an overall length between 2.13”-2.64” (54-67 mm), body width of .83”-1.02” (21-26 mm), and body height of .63”-.79” (16-20 mm). The typical lifespan of the Atlas Moth is between 2-3 months.

Series of measured illustrations of the Atlas Moth
Atlas Moth (Attacus atlas)
Height:
.63”-.79” | 16-20 mm
Width:
9.84”-12” | 25-30.5 cm (Wingspan)
Length:
2.13”-2.64” | 54-67 mm
Depth:
Weight:
Area:

Body Width: .83”-1.02” | 21-26 mm

Scientific Name
Attacus atlas
Lifespan
2-3 months

Drawings include:

Atlas Moth top view, side

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Drain Fly (Clogmia albipunctata)
Comparison illustration of the size of a Drain Fly to other species of insects

The Drain Fly (Psychodidae) is a fly in the true fly family whose members have short and hairy bodies and wings, giving them a ”furry” moth-like appearance. There are more than 2,600 described species worldwide, and most of them are native to the humid tropics. Drain Flies are commonly found in bathrooms, and while they are not known to carry any human diseases, they have been an opportunistic agent of myiasis. Their water-repellent hairs that cover their bodies protect them from water-borne toxins like bleach, and both adults and larvae are difficult to drown.

The Drain Fly has an overall body length between .12”-.2” (3-5 mm), body width of .06”-.1” (1.5-2.5 mm), and body height of .05”-.07” (1.3-1.8 mm). The wingspan of the Drain Fly is in the range of .31”-.39” (8-10 mm). The typical lifespan of the Drain Fly is between 21-27 days.

Scaled collection of drawings of Drain Fly in various poses with dimensions
The Drain Fly (Psychodidae) is a fly in the true fly family whose members have short and hairy bodies and wings, giving them a ”furry” moth-like appearance. There are more than 2,600 described species worldwide, and most of them are native to the humid tropics.

The Drain Fly has an overall body length between .12”-.2” (3-5 mm), body width of .06”-.1” (1.5-2.5 mm), and body height of .05”-.07” (1.3-1.8 mm). The wingspan of the Drain Fly is in the range of .31”-.39” (8-10 mm). The typical lifespan of the Drain Fly is between 21-27 days.

Scaled collection of drawings of Drain Fly in various poses with dimensions
Drain Fly (Clogmia albipunctata)
Height:
.05”-.07” | 1.3-1.8 mm
Width:
.06”-.1” | 1.5-2.5 mm
Length:
.12”-.2” | 3-5 mm
Depth:
Weight:
Area:

Wingspan: .31”-.39” | 8-10 mm

Scientific Name
Clogmia albipunctata
Lifespan
21-27 days

Drawings include:

Drain Fly top view, side

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Giant Desert Centipede (Scolopendra heros)
Dimensioned comparison drawing of the Giant Desert Centipede compared to other myriapods

The Giant Desert Centipede (Scolopendra heros) is a North American centipede that occupies the Southwestern United States and Northern Mexico. The species occupies rocky woodland areas, and it stays underground in warm weather, emerging in cloudy weather. With a number of color variations, the Giant Desert Centipede is aposematically colored to warn off potential predators. The castaneiceps variation in Arkansas, Missouri, and Texas has a red head and greenish black body and tail. As a nocturnal predator, the Giant Desert Centipede uses its venom to hunt small invertebrates, including rodents, reptiles, and amphibians.

The Giant Desert Centipede has an overall length between 6.7”-7.9” (17-20 cm) and width of .47”-.63” (12-16 mm). The typical lifespan of the Giant Desert Centipede is between 3-6 years.

Set of scaled top view drawings of the Giant Desert Centipede
The Giant Desert Centipede (Scolopendra heros) is a North American centipede that occupies the Southwestern United States and Northern Mexico. The species occupies rocky woodland areas, and it stays underground in warm weather, emerging in cloudy weather.

The Giant Desert Centipede has an overall length between 6.7”-7.9” (17-20 cm) and width of .47”-.63” (12-16 mm). The typical lifespan of the Giant Desert Centipede is between 3-6 years.

Set of scaled top view drawings of the Giant Desert Centipede
Giant Desert Centipede (Scolopendra heros)
Height:
Width:
.47”-.63” | 12-16 mm
Length:
6.7”-7.9” | 17-20 cm
Depth:
Weight:
Area:
Scientific Name
Scolopendra heros
Lifespan
3-6 years

Drawings include:

Giant Desert Centipede top view (assorted)

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Peacock Mantis Shrimp (Odontodactylus scyllarus)
Comparison drawing of the Peacock Mantis Shrimp compared to other crustaceans

If you are looking for a colorful shrimp for your aquarium, then seek the Peacock Mantis Shrimp (Odontodactylus scyllarus) of the family Odontodactylidae beneath the coral reefs of the Indo-Pacific Ocean. They are also called Clown Mantis Shrimp, Harlequin Mantis Shrimp, Rainbow Mantis Shrimp, and Painted Mantis Shrimp and hold the record of the fastest punch among living creatures. They possess very complex eyes and are active hunters with males being more colorful than females. The name comes from the brilliant colors of green, oranges, and blue on the male’s shells, though both sexes have orange legs and a leopard-like spot on their carapace.

The Peacock Mantis Shrimp has an overall length between 2”-7” (5.1-17.8 cm), body width of .5”-2” (1.3-5 cm), body height of .3”-1” (.8-2.5 cm), and weight between .4-3.2 oz (12-90 g). The typical lifespan of the Peacock Mantis Shrimp is between 4-6 years.

Set of scaled top and elevation drawings of the Peacock Mantis Shrimp
If you are looking for a colorful shrimp for your aquarium, then seek the Peacock Mantis Shrimp (Odontodactylus scyllarus) of the family Odontodactylidae beneath the coral reefs of the Indo-Pacific Ocean. They possess very complex eyes and are active hunters with males being more colorful.

The Peacock Mantis Shrimp has an overall length between 2”-7” (5.1-17.8 cm), body width of .5”-2” (1.3-5 cm), body height of .3”-1” (.8-2.5 cm), and weight between .4-3.2 oz (12-90 g). The typical lifespan of the Peacock Mantis Shrimp is between 4-6 years.

Set of scaled top and elevation drawings of the Peacock Mantis Shrimp
Peacock Mantis Shrimp (Odontodactylus scyllarus)
Height:
.3”-1” | .8-2.5 cm
Width:
.5”-2” | 1.3-5 cm
Length:
2”-7” | 5.1-17.8 cm
Depth:
Weight:
.4-3.2 oz | 12-90 g
Area:
Scientific Name
Odontodactylus scyllarus
Lifespan
4-6 years

Drawings include:

Peacock Mantis Shrimp top view, side

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Asian Lady Beetle (Harmonia axyridis)
Scale illustration of an average Asian Lady Beetle compared to other insect species

The Asian Lady Beetle (Harmonia axyridis) is a large beetle and one of the most variable species in the world. While native to eastern Asia, it has been introduced to North America and Europe to control aphids and scale insects with its voracious appetite. The Asian Lady Beetle is a typical coccinellid beetle in shape and structure; it is domed with a ”smooth” transition between its elytra, pronotum, and head. It has an extremely wide range of colors from uniformly black to complex patterns of black, orange, and red. The species becomes dormant in cooler months, and it will use crevices and dry confined spaces in the winter.

The Asian Lady Beetle has an overall body length between .22”-.33” (5.5-8.5 mm), body width of .16”-.26” (4-6.5 mm), and body height of .1”-.16” (2.5-4 mm). The typical lifespan of the Asian Lady Beetle is between 2-3 years.

Series of measured illustrations of the Asian Lady Beetle
The Asian Lady Beetle (Harmonia axyridis) is a large beetle and one of the most variable species in the world. While native to eastern Asia, it has been introduced to North America and Europe to control aphids and scale insects with its voracious appetite.

The Asian Lady Beetle has an overall body length between .22”-.33” (5.5-8.5 mm), body width of .16”-.26” (4-6.5 mm), and body height of .1”-.16” (2.5-4 mm). The typical lifespan of the Asian Lady Beetle is between 2-3 years.

Series of measured illustrations of the Asian Lady Beetle
Asian Lady Beetle (Harmonia axyridis)
Height:
.1”-.16” | 2.5-4 mm
Width:
.16”-.26” | 4-6.5 mm
Length:
.22”-.33” | 5.5-8.5 mm
Depth:
Weight:
Area:
Scientific Name
Harmonia axyridis
Lifespan
2-3 years

Drawings include:

Asian Lady Beetle top view, side

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