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28 March 2014 First report of bivoltinism in Isocolus (Hymenoptera, Cynipidae): Isolocus melikai Pujade-Villar n. sp. from the Iberian Peninsula
Juli Pujade-Villar, José Tormos, Manuel González-Núñez, Susana Pascual, Ana Cobo
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Abstract

A new species of the genus Isocolus Förster, 1869 (Hymenoptera, Cynipidae: Aylacini) is described. It induces galls on the capitula of Centaurea ornata Willd. (Asteraceae), an endemic of the Iberian Peninsula. Isocolus melikai Pujade-Villar n. sp. is morphologically closely related to I. freidbergi Melika, 2008, forming gall on C. verutum L., 1755, and endemic to the North West of the Arabian Peninsula. Urophora cuspidata (Meigen, 1826) (Diptera, Tephritidae) has also been obtained from similar galls on C. ornata. Isocolus melikai Pujade-Villar n. sp. was found in 16 of the 326 inflorescences (capitula) sampled, while both species (I. melikai Pujade-Villar n. sp. and U. cuspidata) were found together only in three of these capitula. The galls are also described and a probable parasitoid of Ormyrus Westwood, 1832 (Hymenoptera, Ormyridae) is mentioned. The most important characteristics to differentiate adults and galls are illustrated. Biological data are provided showing that I. melikai Pujade-Villar n. sp. is bivoltine.

© Publications Scientifiques du Muséum national d'Histoire naturelle, Paris.
Juli Pujade-Villar, José Tormos, Manuel González-Núñez, Susana Pascual, and Ana Cobo "First report of bivoltinism in Isocolus (Hymenoptera, Cynipidae): Isolocus melikai Pujade-Villar n. sp. from the Iberian Peninsula," Zoosystema 36(1), 41-52, (28 March 2014). https://doi.org/10.5252/z2014n1a3
Received: 5 April 2013; Accepted: 15 October 2013; Published: 28 March 2014
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KEYWORDS
Aylacini
Cynipidae
Espagne
espèce nouvelle
new species
Spain
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