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TaxonomyBrowse
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Genus Atrachelus

Three Spined Assassin Bug - Atrachelus cinereus Assassin bug - Atrachelus cinereus Assassin bug - Atrachelus cinereus Assassin bug - Atrachelus cinereus Assassin bug - Atrachelus cinereus Assassin bug - Atrachelus cinereus Assassin bug - Atrachelus cinereus Assassin bug - Atrachelus cinereus
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 Cimicomorpha
Family Reduviidae (Assassin Bugs)
Subfamily Harpactorinae
Tribe Harpactorini
Genus Atrachelus
Pronunciation
uh-TRACK-uh-lus
Synonyms and other taxonomic changes
Atrachelus Amyot & Audinet-Serville, 1843
Explanation of Names
Greek [Latinized], a-, privative prefix meaning without, lacking, absence of; Greek [Latinized], trachelos, neck, throat.

Atrachelus has a short neck, especially when compared to Amyot & Serville's other "Zelides".
Numbers
A single species in our area.
Size
7-8 mm
Identification
Spines present along edge of abdomen. Small size.
Range
Pennsylvania to Michigan and south to Florida and Texas, through the Southwest to California.
Remarks
Males usually sexually dimorphic, with third antennomere thickened.
Print References
Elkins, J. C. 1954. A synopsis of Atrachelus (Hemiptera, Reduviidae). Proceedings of the Entomological Society of Washington 56(3): 97-120.