Dacnusa cicerina (Hymenoptera: Braconidae: Alysiinae), A New Species of Endoparasitoid of Liriomyza cicerina (Diptera: Agromyzidae)

The larvae, pupa, adults, and venom apparatus of Dacnusa cicerinasp. n., an endoparasitoid of Liriomyza cicerina (Rondani), found on Cicer arietinum Linnaeus in Spain, are described, illustrated, and compared with those of allied species. The mature larva of Eurytoma sp., possibly a hyperparasitoid...

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Bibliographic Details
Published in:The Florida entomologist 2008-06, Vol.91 (2), p.170-178
Main Authors: Tormos, Josep, Pardo, Xavier, Asís, Josep Daniel, Gayubo, Severiano F
Format: Article
Language:English
Subjects:
Agromyzidae
Animal glands
Braconidae
Cicer arietinum
Dacnusa
descriptions
Diptera
Eurytoma
host
Hymenoptera
hyperparasitoid
hyperparasitoids
immature stages
Insect antennae
Insect larvae
insect morphology
insect taxonomy
Instars
Larval development
Liriomyza
new species
Parasite hosts
Parasites
Parasitoids
Research Papers
Sensilla
Spain
taxonomic keys
venom apparatus
Venoms
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Description
Summary:The larvae, pupa, adults, and venom apparatus of Dacnusa cicerinasp. n., an endoparasitoid of Liriomyza cicerina (Rondani), found on Cicer arietinum Linnaeus in Spain, are described, illustrated, and compared with those of allied species. The mature larva of Eurytoma sp., possibly a hyperparasitoid of D. cicerina, also is described, illustrated, and compared with those of allied species. Keys to discriminate adults are provided and morphological structures of phylogenetic value are discussed. The adults of D. cicerina are similar to those of Dacnusa rodriguezi Docavo & Tormos (1997). The immature larvae are similar to those of Dacnusa areolaris (Nees) and Dacnusa dryas (Nixon), and the mature larva is very similar to that of D. dryas, from which it differs in having scale-like sensilla (“setae”) on the thorax and abdomen. The cast skin of the final instar, like those described for Dacnusa Haliday, has a pleurostoma with well differentiated mandible processes and a long stipital sclerite. The venom apparatus of this species is very similar to that of Dacnusa flavicoxa Thomson, differing from it in length of the reservoir and the number of gland filaments. The mature larva of Eurytoma Illiger described here, despite its endoparasitoid nature, has well differentiated pleural and ventral setae.
ISSN:0015-4040
1938-5102
DOI:10.1653/0015-4040(2008)91[170:DCHBAA]2.0.CO;2