Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Sponsor
The Coleopterists Society supports BugGuide.

Calendar
Upcoming Events

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

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

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

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


Previous events


TaxonomyBrowse
Info
ImagesLinksBooksData

Infraorder Enicocephalomorpha - Unique-headed Bugs

tiny insect - Systelloderes biceps - male tiny insect - Systelloderes biceps Bug - Systelloderes Systelloderes? - Systelloderes Gnat bug from north central Texas Hymenocoris formicinus? - Hymenocoris - male Enicocephalidae Enicocephalidae
Classification
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 Enicocephalomorpha (Unique-headed Bugs)
Other Common Names
Gnat Bugs(1)
Numbers
2 families, with ~17 spp. in 7 genera in our area and ~430 described spp. in 65 genera worldwide; real global diversity much higher(2); analysis of world fauna in(3)
Size
our spp. <7 mm(4)
Identification
short, helate foretarsi armed with small spines; head divided by a constriction(1)
Range
predominantly tropical group
Remarks
the basalmost group, sister to the rest of the Heteroptera(1)
Works Cited
1.Evolution of the Insects
David Grimaldi and Michael S. Engel. 2005.
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.Zoogeography of Enicocephalomorpha (Heteroptera)
Štys P. 2008. Bull. Insectol. 61: 137-138.
4.First record of the Enicocephalidae (Heteroptera) in Michigan and Ohio
Swanson D.R. 2015. Great Lakes Entomol. 48: 1-8.