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Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

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

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Previous events


Family Cydnidae - Burrowing Bugs

A very big Burrowing Bug - Dallasiellus burrowing bug - Chilocoris repetitus Cyrtomenus ciliatus Burrowing Bug - Amnestus pusillus ., - Sehirus cinctus Pangaeus bilineatus (?) - Dallasiellus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Heteroptera (True Bugs)
Infraorder Pentatomomorpha
Superfamily Pentatomoidea
Family Cydnidae (Burrowing Bugs)
43 spp. in 12 genera of 4 subfamilies (9 genera in Cydninae) in our area(1), ~770 spp. in 120 genera worldwide, arranged into 5-7 subfamilies(2)
Overview of our fauna:
Family Cydnidae
Subfamily Amnestinae Amnestus
Subfamily Cydninae
Subfamily Sehirinae Sehirus
3-8 mm (NA)(1), 2-20 mm globally(2)
body usually ovoid, heavily sclerotized, dark, legs often spiny(3)
Comprehensive treatment of the New World fauna in(4), of the ne. US fauna in(5)
Key to FL spp. in(6)
worldwide and throughout NA
most are fossorial (=diggers), Sehirus (and members of numerous related Old World genera -vb) mostly on vegetation(5)
take liquid from the phloem vessels, unlike other heteropterans(7) and often feed on roots(2); members of the Sehirinae (and two extralimital subfamilies) feed up on plants(3)
adults come to lights, sometimes in large numbers(3)
Print References
Internet References
Works Cited
1.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
2.Biodiversity of the Heteroptera
Henry T.J. 2009. In: Foottit R.G., Adler P.H., eds. Insect biodiversity: Science and society. Oxford: Wiley-Blackwell: 223-263.
3.Australian Faunal Directory
4.Cydnidae of the Western Hemisphere
Froeschner, R. C. 1960. Proceedings of the United States National Museum, 111(3430): 337-680, 13 plates.
5.The Pentatomoidea (Hemiptera) of Northeastern North America
J.E. McPherson. 1982. Southern Illinois University Press.
6.Literature-based key to Florida "burrowing bugs" (Heteroptera: Cydnidae)
Smith R., Holmes A. 2002. ENY 4161/6166 Insect Classification Exercise.
7.Bugs of the World
George C. McGavin. 1999. Blandford Press.
8.Burrower bugs of the Old World – a catalogue (Hemiptera: Heteroptera: Cydnidae)
Lis J.A. 1999. Genus 10: 165-249.