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Crickets of Zihuatanejo

INFRAORDER PAPILIONOIDEA

Neonemobius Small Ground

Neonemobius (Genus)

-Animals (Kingdom Animalia)

-Arthropods (Phylum Arthropoda)

-Hexapods (Subphylum Hexapoda)

-Insects (Class Insecta)

-Winged and Once-winged Insects (Subclass Pterygota)

-Grasshoppers, Crickets, and Katydids (Order Orthoptera)

-Katydids, Crickets, and Allies (Suborder Ensifera)

-Crickets (Infraorder Gryllidea)

-True Crickets and Allies (Superfamily Grylloidea)

-Trigs, Sword-tailed Crickets, and Ground Crickets (Family Trigonidiidae)

-Ground Crickets (Subfamily Nemobiinae)

Tribe Pteronemobiini

-Small Ground Crickets (Genus Neonemobius)


Small ground crickets of the genus Neonemobius are delicate, low-profile crickets widely distributed across North America, typically inhabiting moist environments such as grassy edges, forest margins, meadows, and areas near water where leaf litter and ground cover provide shelter. Their coloration is usually subdued, ranging from pale brown to gray or mottled tones, helping them blend seamlessly into soil, dead vegetation, and mossy substrates. They are most active at dusk and during the night, when they forage for organic debris, algae, fungi, and tiny plant materials along the ground surface.

Diet

  • Neonemobius is a genus of small ground crickets in the subfamily Nemobiinae.

  • Members are generally omnivorous, feeding on seeds, tender plant material, fungi, decaying vegetation and small invertebrates.

  • Leaf litter and other decomposing organic material can provide both food and shelter.

Range

  • Neonemobius is a primarily North American genus, with species occurring in the United States, southern Canada, Mexico and the Caribbean.

Habitat

  • Neonemobius species are generally associated with ground-level vegetation, leaf litter and moist or sheltered terrestrial habitats.

  • Different species occupy somewhat different environments. N. variegatus, for example, is associated with wet sites beneath hardwood forest, stream margins, swamp forests and seepage areas, while N. cubensis is associated with marshes, streams and other moist places with dense herbaceous vegetation.

  • In the Zihuatanejo region, potentially suitable habitat includes moist stream margins, dense grasses, leaf litter, shaded vegetation and other humid ground-level environments.

  • Adults are commonly detected by the calling songs of males, particularly after dark.

Description

  • Neonemobius species are very small, delicate ground crickets, generally only a few millimetres long.

  • They have slender bodies, long thread-like antennae, relatively long hind legs and narrow wings that vary considerably in development among species.

  • Colouration is commonly brown, tan or dark brown, often with contrasting bands or markings on the head, pronotum and abdomen.

  • The genus includes both short-winged and longer-winged individuals, and wing development can vary within some species.

  • Males produce species-specific calling songs using modified forewings, and these songs are often the easiest way to locate otherwise inconspicuous individuals.

  • Females have a short ovipositor used to insert eggs into suitable moist soil or plant material.

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