orthopterans
Obsolete taxonomic term for the insect order Orthoptera, which includes grasshoppers, crickets, and katydids. Modern Japanese uses バッタ目 or 直翅目.
See also: バッタ目
直翅類 was once used as a taxonomic group that included grasshoppers and crickets.
From 直翅 (straight wing) + 類 (group, category). The term reflects the straight, leathery forewings typical of orthopterans.