Resumen

RONDEROS, Maria M.; SPINELLI, Gustavo R.  y  DIAZ, Florentina. Redescription of the last instar larva and pupa of Bezzia roldani (Diptera: Ceratopogonidae). Rev. Soc. Entomol. Argent. [online]. 2007, vol.66, n.1-2, pp.21-28. ISSN 0373-5680.

The fourth instar larva and pupa of Bezzia roldani Spinelli & Wirth is redescribed and illustrated by using phase-contrast microscope and scanning electron microscope. Immatures were collected by placing floating hydrophytes of the genera Lemna, Wolfia, Wolfiella and Spirodella (Lemnaceae) in Berlesse funnels. The hydrophytes were collected in the Chascomús and Los Talas ponds, both in the province of Buenos Aires, Argentina. The larva show features typical of carnivorous larvae, and it is compared with that of B. nobilis (Winnertz) and with a similar species of the genus Palpomyia Meigen, P. guarani Lane. The pupa is compared with its similar congener B. blantoni Spinelli & Wirth.

Palabras clave : Larva; Pupa; Bezzia roldani; SEM; Argentina.

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