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Phylum Arthropoda
Class Insecta
Order Hemiptera
Suborder Heteroptera
Family Naucoridae
Common Name Creeping water bug
Distinguishing Characteristics
  • Front legs raptorial (used for grasping prey)
  • Front legs with broad femur
  • Dorsally, somewhat convex body shape
  • No ocelli
  • Middle and hind legs with hairs arranged for swimming
Additional Pictures
Naucoridae are found in ponds and still waters worldwide.

Naucoridae can often be found in damp places in human homes and are often mistaken for cockroaches.

QuickTime Movies


Additional Links



Merritt, R W., K W. Cummins, and M B. Berg. An Introduction to the Aquatic Insects of North America. Dubuque, Iowa: Kendall/Hunt Company, 2008.