Article

Alexander А. Benediktov, Junior Researcher of the Department of Entomology in Faculty of Biology, Lomonosov Moscow State University (119991, Russia, Moscow, Leninskie gory, 1/12); e-mail: entomology@yandex.ru
Oleg A. Belyaev, Junior Researcher of the Department of Entomology in Faculty of Biology, Lomonosov Moscow State University (119991, Russia, Moscow, Leninskie gory, 1/12); e-mail: olegent@yandex.ru

Benediktov A.A., Belyaev O.A. 2019. New data on acoustic signals of Stauroderus scalaris (Orthoptera: Acrididae) from different local populations with a note about its parasite from the genus Blaesoxipha (Diptera: Sarcophagidae). Nature Conservation Research 4(1): 22–28. https://dx.doi.org/10.24189/ncr.2019.001

Calling acoustic signals of Stauroderus scalaris males are described for the first time, the oscillograms from Samarskaya Luka and the Republic of Tuva are published. Comparative analysis of parameters of calling signals of this species from different discrete populations (Western Europe, South Kazakhstan, Kyrgyzstan, and Russia) was carried out. High degree of acoustic conservatism of sound signals of the dark-winged grasshopper is shown for the entire area. Moreover, a parasite fly of orthopteran insects, Blaesoxipha redempta, is reported for the first time on the territory of Samarskaya Luka (Zhiguli State Nature Biosphere Reserve, Bakhilova Polyana settlement). It is the first find of a representative of the genus Blaesoxipha in the reserve, emerged from a S. scalaris male specimen. Photographs of genital apparatus of the male fly specimen are given; it is well distinguished from closely related species by the shape of cerci and phallus. Possible infection strategy of the parasitic fly concerning acoustically active orthopteran hosts is discussed.

acoustic conservatism, calling signals, dark-winged grasshopper, first record, invasion strategy, orthopteran insects, parasitic flies, Samarskaya Luka, Tuva

Received: 17.08.2018. Revised: 19.09.2018. Accepted: 25.10.2018.

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