Wing dimorphism of European mole cricket Gryllotalpa gryllotalpa (L.) (Orthoptera: Gryllotalpidae) in the north-west of Iran
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چکیده
The seasonal study of wing dimorphism in the European mole cricket, Gryllotalpa gryllotalpa (Linnaeus, 1758) (Orthoptera: Gryllotalpidae), was carried out in northwest Iran. Based on present research, the long-winged (LW) morph appeared in early-mid spring when vegetation density is low and the crickets need to fly to search for food. Study of foretibiae showed that the dactyls are elongated and longer than shortwinged (SW) morph’s dactyls, and that they are suitable for excavating hard soil in this period. SW adults were observed from May to July and the dactyls are shorter and broader, which are suitable for more tunneling in light soils in the middle of spring.
منابع مشابه
Geographic distribution of Gryllotalpa stepposa in south-eastern Europe, with first records for Romania, Hungary and Serbia (Insecta, Orthoptera, Gryllotalpidae)
Described from the steppe zones north of the Black Sea, Caucasus, and central Asia, Gryllotalpa stepposa Zhantiev was recently recorded from a few localities in Greece, R. Macedonia, and Bulgaria. In May 2015, several specimens were collected from Ivrinezu Mare in Romania, which suggested a continuous distribution area of the species, stretching from the central Balkans to central Asia. Thus, t...
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