Eur. J. Entomol. 94 (2): 301-306, 1997
Trichogramma danubiense sp. n. (Hymenoptera: Trichogrammatidae), an egg parasitoid of Macrothylacia rubi (Lepidoptera: Lasiocampidae), with some data on its bionomics
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Trichogramma danubiense sp.n., an ooparasitoid of eggs of Macrothylacia rubi is described, collected from Prunus cerasus in SW Slovakia. In the laboratory, the species could reproduce in eggs of Mamestra brassicae and Ephestia kuehniella. It can be distinguished from the related T. lingulatum Pang & Chen by an incision on the apex of the dorsal expansion of the gonobase. T. danubiense is arrhenotokous in laboratory conditions (22°C, 55% RH, 16L : 8D). The females obtained from eggs of M. rubi lived 2-14 days, their average fecundity was 262 (maximum 323) progeny and the percentage of males in progeny was between 13.4-42.6%, when eggs of the factitious host M. brassicae were used. The species had 8-9 generations per year in outdoor conditions of SW Slovakia, when reared in eggs of M. brassicae.
An Erratum has been published for this article: Eur. J. Entomol. 94 (4): 579-580, 1997
Keywords: Trichogrammatidae, new species, egg parasitoid, male genitalia, fecundity, longevity, Mamestra brassicae, Ephestia kuehniella, Prunus cerasus, Slovakia
Accepted: February 22, 1996; Published: May 15, 1997 Show citation
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