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Genus Elasmostethus

Two green bugs with red antennae - Elasmostethus cruciatus Red Cross Shield Bugs with nymph - Elasmostethus cruciatus Unknown bug - Elasmostethus cruciatus bug - Elasmostethus cruciatus red-cross shield bug? - Elasmostethus cruciatus Unknown Stinkbug - Elasmostethus cruciatus shieldbug051817 - Elasmostethus atricornis Elasmostethus cruciatus? - Elasmostethus cruciatus
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 Acanthosomatidae (Shield Bugs)
Genus Elasmostethus
Explanation of Names
Elasmostethus Fieber 1860
3 spp. in our area(1), ~a dozen total
key to spp.(1):
1. Pronotal disc and head with many dark punctures; first antennal segment pale ... 2
— Pronotal disc and head without dark punctures; first antennal segment dark ... atricornis
2(1). Abdominal venter with row of dark spots on each side ... interstinctus
— Abdominal venter immaculate ... cruciatus
holarctic, more diverse in the Palaearctic(2); in our area, northern transcontinental + scattered southern records at higher elevations to GA-TX-CA(1)(3)
recorded hosts (globally) include members of 14 plant families (mostly woody plants); the two nearctic spp. on Aralia (Araliaceae), Alnus (Betulaceae), the holarctic E. interstinctus has a much wider host range as adult (nymphs prefer Betulaceae)(4)
Works Cited
1.The Acanthosomatidae (Heteroptera) of North America
Thomas D.B., Jr. 1991. Pan-Pacific Entomologist 67(3): 159-170.
2.Keys to the insects of the Far East of the USSR, Vol. 2. Homoptera and Heteroptera
Lehr, P. A., ed. 1988. Leningrad, Nauka Publishing House.
3.The Pentatomoidea (Hemiptera) of Northeastern North America
J.E. McPherson. 1982. Southern Illinois University Press.
4.Pentatomoidea Host Index