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Family Artheneidae

Chilacis typhae artheneid bug - Holcocranum saturejae Chilacis typhae Holcocranum saturejae? - Holcocranum saturejae Chilacis typhae Lygaeoid - Holcocranum saturejae Lygaeoid - Holcocranum saturejae Small seed bug – genus Nysius?? - Holcocranum saturejae
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 Pentatomomorpha
Superfamily Lygaeoidea
Family Artheneidae
Synonyms and other taxonomic changes
formerly treated under Lygaeidae
Numbers
2 adventive spp. of 2 genera of Palaearctic origin (all in the Artheneinae) established in the US; 20 spp. in 8 genera total(1)
Identification
Hemelytra distinctly punctate, at least on the clavi. Central area of scutellum usually not separated from posterior edge of pronotum by a distinct transverse groove. Abdomen at least as long as thorax. Apex of corium and membrane not extending past abdomen. Clavi forming a median commissure behind scutellum. Fore femora not distinctly thickened and without spines. Ocelli closer to compound eyes than each other. Antennae not longer than length of head and prothorax (2).

"Key to species of Artheneidae of North America (from Hoffman 1996)(3):

1. Smaller, L = 3.0 to 3.5 mm. Pronotum with four more or less well-defined longitudinal smooth pale ridges; labium short, barely attaining front of procoxae, segment 2 not surpassing base of head. Dorsal surface dominantly light brown or yellowish-gray, little if at all infuscated; wing usually with only a posterior median diffuse brown spot present on corium; membrane without brown areas; head with paramedian dark stripes parallel and separated between eyes..............Holcocranum saturejae".

1’. Larger, L = 3.8 to 4.5 mm. Pronotum without four longitudinal smooth pale ridges; labium longer, reaching nearly to mesocoxae, over half of segment 2 surpassing base of head. Color darker, reddish
brown, dorsally heavily infuscated with dark brown to black; wing membrane with diffuse brown areas; head with paramedian dark stripes converging between eyes...............Chilacis typhae
Range
Old World group(1), most diverse in the Palaearctic(4)
Habitat
our species on cattail seedheads throughout the life cycle
Food
our species feed on the seeds of cattails (Typha, Typhaceae)(4)
Works Cited
1.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.
2.Seed Bugs of Virginia (Heteroptera: Lygaeidae)
Richard L. Hoffman. 1996. Virginia Museum of Natural History.
3.Seed Bugs and their allies (Hemiptera: Heteroptera: Lygaeoidea) of the Canadian Prairie Provinces
David J. Larson, G.G.E. Scudder. 2018. Canadian Journal of Arthropod Identification, 34.
4.Zoological catalogue of Australia: Hemiptera: Heteroptera (Pentatomomorpha)
Cassis G., Gross G.F. 2002. CSIRO Publishing, 751 pp.