Dark bush-cricket

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Dark bush-cricket
Tettigoniidae - Pholidoptera griseoaptera.JPG
Male of Pholidoptera griseoaptera
Pholidoptera.griseoaptera.01.jpg
Female of Pholidoptera griseoaptera
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Orthoptera
Suborder: Ensifera
Family: Tettigoniidae
Subfamily: Tettigoniinae
Tribe: Pholidopterini
Genus: Pholidoptera
Species:
P. griseoaptera
Binomial name
Pholidoptera griseoaptera
(De Geer, 1773)
Synonyms
  • Decticus apterus (Charpentier, 1825)
  • Gryllus cinereus Gmelin, 1789
  • Locusta aptera Charpentier, 1825
  • Locusta griseoaptera De Geer, 1773
  • Pholidoptera cinerea (Gmelin, 1789)
  • Pterolepis aptera (Charpentier, 1825)

The dark bush-cricket (Pholidoptera griseoaptera) is a flightless species of European bush-cricket; it is the type species of its genus with no subspecies. [1]

Contents

Description

Nymph Pholidoptera griseoaptera nymph-pjt.jpg
Nymph

Pholidoptera griseoaptera can reach a body length of 11 to 21 mm (males) and 15 to 20 mm (females), much smaller than the similar Pholidoptera aptera . The sickle-shaped and upward curved ovipositor of the females is 8 to 10 mm long, while the males have two short cerci. The antennae and the hind legs are quite long.

The rounded brachypterous wings of the males are brown with light brown to ochre-coloured edges and are about 5 mm in length (about as long as the pronotum). The females are almost wingless or have half-round, grey-brown fore-wings that are 1-2 mm long. Long-winged (macropterous) forms are not recorded.

Distribution and Biology

This species can be found in Europe from northern Spain up to Crimea, Caucasus and the Near East. It is fairly common in Great Britain, but not recorded from Ireland. [1] On the Isle of Man the species is legally protected under Schedule 5 of the Wildlife Act 1990, being found at only two coastal sites (Lonan and Glen Maye) at the extreme north of the species’ British Isles distribution. Adults are omnivorous, feeding primarily on small insects such as aphids and caterpillars, but eat also plants such as bramble ( Rubus species), dandelion ( Taraxacum species) and nettles ( Urtica species). The stridulation is a brief and penetrating sound, repeatedly irregularly night and day.

Habitat

The dark bush-cricket colonizes a variety of habitats, but avoids sandy soils and are accordingly rare in sandy areas. It is mainly present in forest edges or clearings, but can be found also in wasteland, parks and gardens, at an elevation of about 0–2,100 metres (0–6,890 ft) above sea level.

The females lay their eggs in the soil, in dead branches, in bark crevices and rotting wood. The eggs need high humidity. The larvae require two years for their full development, with seven larval stages. They feed exclusively on vegetables. Nymphs appear at the end of April of the third year, while the first adults appear in June.

Related Research Articles

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<i>Yersinella raymondi</i> Species of cricket-like animal

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<i>Neoscapteriscus vicinus</i> Species of cricket-like animal

Neoscapteriscus vicinus, the tawny mole cricket, is a species of insect in the mole cricket family, Gryllotalpidae. Colombian insect taxonomist Oscar Cadena-Castañeda studied specimens of the genus that had been called Scapteriscus, and decided that it included two groups; a smaller group and a larger group that he named Neoscapteriscus in 2015. It is native to South America and also occurs in the Southern United States, where it arrived as a contaminant of ship's ballast around 1900. North American mole cricket taxonomists agreed with his decision and altered Orthoptera Species File Online accordingly.

Scapteriscus abbreviatus, the short-winged mole cricket, is a species of insect in the mole cricket family, Gryllotalpidae. It is native to South America but has been introduced inadvertently into Florida, in the United States. Unlike other related species, it is unable to fly, nor do the males emit songs in order to attract females.

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<i>Nemobius sylvestris</i> Species of cricket

Nemobius sylvestris, the wood cricket, is a flightless species of cricket in the family Gryllidae. It is native to Western Europe and North Africa but uncommon in Britain.

References