Abstract
Comparisons of fore wings from 27 separate populations of 13 species ofAphelinus, Mesidia, andMesidiopsis revealed that the portion of the wing posterior to the major veins is divided into 8 setal regions (the subcostal cell constitutes a 9th). Each species has a characteristic number and/or placement of setae within each region. In some species the interpopulation variability is quite small, butEphelinus asychis Walker shows large variations associated with the species of host aphid attacted; individuals reared fromTherioaphis trijolii (Monell) are hairier in several regions than those reared fromMyzus persicae (Sulzer). A nomenclature for setae in the various wing regions is proposed.
Résumé
La comparaison des ailes antérieures de 27 populations particulières de 13 espèces d'Aphelinus, deMesidia et deMesidiopsis a révélé que la partie de l'aile postérieure aux nervures principales est divisée en 8 régions sétifères (la cellule sous-costale constituant une 9e région).
Chaque espèce possède un nombre et/ou un emplacement de séta caractéristique à l'intérieur de chaque région. La variation entre populations est assez faible pour quelques espèces, mais pourAphelinus asychis Walker, de grandes variations sont associées à l'espèce de puceron-hôte attaquée; les individus élevés à partir deTherioaphis trifolii (Monell) sont plus riches en séta dans certaines régions que ceux élevés à partir deMyzus persicae (Sulzer). Une nomenclature des séta pour les différentes régions de l'aile est proposée dans cet article.
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Hennessey, R.D. Setal patterns of the wings ofAphelinus, Mesidia, andMesidiopsis [hym.: aphelinidae], their values as taxonomic characters. Entomophaga 26, 363–374 (1981). https://doi.org/10.1007/BF02374711
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DOI: https://doi.org/10.1007/BF02374711