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The horsehair worm Paragordius varius is an internal parasite and can control the behaviour of its cricket host and cause it to enter water, where the parasite continues its lifecycle and the cricket likely drowns. [29] The larvae of the sarcophagid fly Sarcophaga kellyi develop inside the body cavity of field crickets. [30]
Paragordius tricuspidatus is a species of parasitic worm that affects the cricket Nemobius sylvestris.In its larval stage, the worm is microscopic, but grows into a large worm (10–15 cm or 3.9–5.9 in) inside its host after accidental ingestion since their eggs are laid at the edge of the water by rivers where crickets frequently reside. [2]
Most cave crickets have very large hind legs with "drumstick-shaped" femora and equally long, thin tibiae, and long, slender antennae. The antennae arise closely and next to each other on the head. They are brownish in color and rather humpbacked in appearance, always wingless, and up to 5 cm (2.0 in) long in body and 10 cm (3.9 in) for the legs.
Gryllinae, or field crickets, are a subfamily of insects in the order Orthoptera and the family Gryllidae. They hatch in spring, and the young crickets (called nymphs) eat and grow rapidly. They shed their skin eight or more times before they become adults. Field crickets eat a broad range of food: seeds, plants, or insects (dead or alive).
Ripipterygids are small, often dark-colored, cricket-like orthopterans, between 3 and 14 mm in length. They closely resemble the related tridactylids . Like tridactylids, they have greatly expanded hind femora , and have the ability to swim and jump from the surface of water.
The Tridactylidae are a family in the insect order Orthoptera.They are small, mole-cricket-like insects, almost always less than 20 mm (0.79 in) long when mature.. Generally they are shiny, dark or black, sometimes variegated or sandy
The tropical house cricket is slightly smaller than its relative the house cricket, growing about 13–18 mm (0.51–0.71 in). These crickets are light yellowish tan and have two thick black bands. One of the bands runs through the bottom of the thorax while the other goes across the upper abdomen.
Grylloidea is the superfamily of insects, in the order Orthoptera, known as crickets. It includes the " true crickets ", scaly crickets , wood crickets and many other subfamilies, now placed in six extant families; some genera are only known from fossils.