Conifer-forest-specialist
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Cyphoderris monstrosa
Great Grig, Monster Haglid
Cyphoderris monstrosa is a relict species of hump-winged grig in the family Prophalangopsidae, one of only seven extant species in a family with over 90 known fossil species. This small orthopteran inhabits coniferous forests of western North America, where males produce high-pitched trilling calls at sundown to attract mates and defend territories. The species exhibits several unusual traits, including a unique mating ritual in which females feed on male hind wings during copulation, and dual sound-producing structures—males use tegminal stridulation while females and juveniles use the Ander's organ.