Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Upcoming Events

Spring 2021 gathering in Louisiana, April 28-May 2. Here's how to add your images.

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama



Fly Golden Dung Flies Mating - Scathophaga stercoraria - male - female Fly Portrait Tachina Fly - Trichopoda pennipes Greenbottle blow fly - Lucilia Tachinid? - Pollenia - male Hippoboscidae - Pseudolynchia canariensis
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon Calyptratae
~18,000 described spp. worldwide(1)
3-segmented antennae with an arista, wings usually with a prominent lower calypter, second antennal segment with longitudinal suture, thorax with greater ampulla
wing diagrams of several cosmopolitan filth fly spp.(2)
Probably a monophyletic group. Classification of subordinate taxa needs much clarification; the one used in the guide is being challenged as artificial.(1)
Works Cited
1.Molecular phylogeny of the Calyptratae (Diptera: Cyclorrhapha)...
S.N. Kutty, T. Pape, B.M. Wiegmann, R. Meier. 2010. Systematic Entomology 35: 614–635.
2.Fly control in livestock and poultry production, by Novartis Animal Health Inc.