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Genus Jalysus

Stilt Bug - Jalysus wickhami bug on a sunflower - Jalysus wickhami Spined Stilt Bug - Jalysus wickhami bug120516 - Jalysus wickhami Berytidae - Jalysus wickhami Genus Jalysus? - Jalysus Jalysus? - Jalysus wickhami Jalysus? - Jalysus
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 Berytidae (Stilt Bugs)
Subfamily Metacanthinae
Genus Jalysus
Explanation of Names
Jalysus Stål 1862
Numbers
4 spp. in our area, 12 total(1)
Size
7-9 mm(2)
Identification
Medium-sized brownish stilt bug found on flowers and other vegetation. The most commonly encountered berytids in our area. Species identification requires close examination of characters visible only under high magnification(3). Several characteristics of the genus:
medium-sized (7-9 mm)
head without projecting tylus
fourth segment of antenna longer than head
abdomen impunctate (not marked by punctures) underneath
groove (sulcus) between front coxae
spine projects from its thoracic scent gland
scent gland channel (on projecting spine) with groove running along one side, not twisted
Some images showing these characters:

hints how to tell apart the two widespread spp.
Range
J. wickhami is widespread, J. spinosus is eastern (both are common), 2 more spp. in TX/AZ(1)
Food
known to feed on moth eggs, e.g., those of Heliothis virescens (Fact sheet)
Works Cited
1.Dellapé P.M., Henry T.J. (2016) Lygaeoidea species file. Version 5.0
2.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
3.How to Know the True Bugs
Slater, James A., and Baranowski, Richard M. 1978. Wm. C. Brown Company.