Skip to main content

 

Pest has 0, 8 or more legs, and …

Need Help? Try these links:
Quick ID Guide
Insect Basics

Choose the best option:

option 1Pest has 8 legs and 2 body parts (tick or spider-like)

option 2Pest has 0 or more than 8 legs

ARACHNIDS

sowbug killer spider
sowbug killer spider, (3/8-5/8", 11-15 mm), photo by Joseph Berger, Bugwood.org
For more information, see What's Bugging You: Spiders
 
blacklegged tick
blacklegged ticks, (1/8", 2.7mm), photo by Jim Occi, BugPics, Bugwood.org
For more information, see What's Bugging You: Ticks

 

clover mite
clover mite, (1/64", 0.75 mm), photo by Rayanne Lehman, Pennsylvania Department of Agriculture, Bugwood.org

 

bird mite
bird mite, (3/128", 0.5 mm), photo by Whitney Cranshaw, Colorado State University, Bugwood.org

Examples:

No legs:

maggot
fly maggot
(1/8-3/8", 3–9 mm)

Numerous legs:

sowbug
sowbug
(1/4-5/8", 7-15 mm)

 

house centipede
house centipede
(1/8-6", 4-152 mm)

 

stone centipede
stone centipede
(up to 2", 50 mm), photo by Joseph Berger, Bugwood.org

 

millipede
millipede
(1/16-4 1/2", 2-115 mm)

Did this Pest Key help you?

Unless otherwise noted, all photos and illustrations by NYS IPM Staff