Abstract
A new Strepsiptera genus from South America is described, Rozenia gen. n., with three new species: Rozenia calliopsidis sp. n. (type species), Rozenia peruana sp. n. and Rozenia platicephala sp. n. These three new species are parasites of bees belonging to the tribe Calliopsini (Andrenidae, Panurginae). Rozenia calliopsidis sp. n. is a parasite of the bee genus Calliopsis Smith, 1853 and Rozenia peruana sp. n. and Rozenia platicephala sp. n. are parasites of the bee genus Acamptopoeum Cockerell, 1905. Diagnoses and descriptions of female puparia are presented for all three species. Diagnoses and descriptions of first instars (triungulinids) are presented for Rozenia calliopsidis sp. n. and Rozenia platicephala sp. n. The first case of increased number of setae on the body of the first instars and augmentation of chaetotaxy of Strepsiptera are discussed.
Highlights
Stylopization of a bee from the tribe Calliopsini (Andrenidae, Panurginae) was recorded for the first time as early as 1931 (Schwarz 1931)
Pierce (1904) published a note on a stylopized bee from the tribe Protandrenini and subsequently added data on stylopization of a wider range of species from the tribe Protandrenini from North America (Pierce 1909). All these North American panurgine hosts of Strepsiptera belong to the genus Pseudopanurgus Cockerell, 1897; Strepsiptera parasitizing Protandrenini are known from South America (Holmberg 1921, Ogloblin 1947, Kogan 1989)
No other Strepsiptera species possess such long caudal setae (Pohl 2000). These setae are always longer than the body in Rozenia gen. n., and almost two times longer than the body in R. platicephala sp. n. (Figures 18–19)
Summary
Stylopization of a bee from the tribe Calliopsini (Andrenidae, Panurginae) was recorded for the first time as early as 1931 (Schwarz 1931). Pierce (1904) published a note on a stylopized bee from the tribe Protandrenini and subsequently added data on stylopization of a wider range of species from the tribe Protandrenini from North America (Pierce 1909). All these North American panurgine hosts of Strepsiptera belong to the genus Pseudopanurgus Cockerell, 1897; Strepsiptera parasitizing Protandrenini are known from South America (Holmberg 1921, Ogloblin 1947, Kogan 1989). The first note about stylopized Panurgus Panzer, 1806 (Panurgini) was made by Morice (1913) and later, Ogloblin (1925) recorded Strepsiptera from the genus Panurginus Nylander, 1848
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