Acanthothericles is a genus of thericleid orthopteran. The Caelifera are a suborder of orthopteran insects. They are solitary, and the larvae are ectoparasitic on orthopteran nymphs. They are a large, flightless, nocturnal orthopteran endemic to New Zealand. Gryllacridinae is an Orthopteran subfamily in the family Gryllacrididae. The diverse orthopteran insect species include the nationally rare wart-biter grasshopper. Myrmecophilus acervorum is an orthopteran insect belonging to the family Myrmecophilidae (the ant-loving crickets). Another orthopteran is found in Rachel Ruysch's still life "Flowers in a Vase", c. 1685.