Orthopteran-parasite
Guides
Scelio opacus
Scelio opacus is a species of parasitoid wasp in the family Scelionidae, first described by Provancher in 1887. Members of the genus Scelio are known to parasitize the eggs of grasshoppers and related orthopterans. The species belongs to a group of small wasps, typically measuring 3–10 mm in length, that often exhibit the black-orange-black (BOB) color pattern common among scelionids. Like other Scelioninae, this species likely plays a role in regulating orthopteran populations through egg parasitism.
Stylogaster neglecta
Stylogaster neglecta is a species of conopid fly (family Conopidae) first described by Williston in 1883. It is a parasitoid with a documented host association with the black-horned tree cricket (Oecanthus nigricornis). Larvae emerge from juvenile hosts during late summer after an estimated 30-day incubation period, killing the host in the process. The species has been recorded from southern Ontario, Canada and the northeastern United States.