Pest ID Center
Quick Visual Id Guide
Springtail (highly magnified) - 1/32-1/8”, 1-3mm
Silverfish - 1/2-3/4", 12-19 mm
Centipede - 1/8-6", 4-152 mm
Cricket - 1/2-1 1/8", 13-30 mm
Earwig - 1/4-1", 5-25 mm
Millipede - 1/16-4 1/2", 2-115 mm
Cockroach - 1 3/8-2 1/8", 34-53 mm
Beetle - 1/16-1 3/8", 12-35 mm
Termites - 1/8-1/4", 5-7 mm
Moth - wide range of sizes
Clothes moth - 3/8-1/2", 10-14 mm
Book louse (highly magnified) - 1/32-1/4", 1-6 mm
True bug - 1/2", 11-14 mm
Bee - 1/2-5/8", 11-15 mm
Flea (highly magnified) - 1/8", 2.5 mm
Ant - 1/16-1/2", 1.5-13 mm
Wasp - 3/8-3/4", 10-20 mm
Bed bug - 3/16", 4-5 mm
Mosquito - 1/8-3/8", 3-9 mm
Fly - 1/8-1/4", 4-7.5 mm
Tick - 1/8", 2.7 mm
Spider - 1/16-1 1/8", 2-20 mm