Occurrence of aphidophagous syrphids (Diptera, Syrphidae) in Lavras, MG

The occurrence of aphidophagous syrphids was studied on citrus, cabbage, cucumber, wheat and potato crops. Samplings were done every 15 days from August to December 2002. The species recorded were: Ocyptamus gastrostactus, Allograpta exotica, Pseudodorus clavatus and Ocyptamus anthiphates. P. clavat...

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Published inRevista brasileira de entomologia Vol. 49; no. 3; pp. 425 - 426
Main Authors Auad, A M, Trevizani, R
Format Journal Article
LanguagePortuguese
Published 01.09.2005
Subjects
Allograpta exotica
Citrus
Ocyptamus anthiphates
Ocyptamus gastrostactus
Pseudodorus clavatus
Solanum tuberosum
Syrphidae
Triticum aestivum
Brazil
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Summary:The occurrence of aphidophagous syrphids was studied on citrus, cabbage, cucumber, wheat and potato crops. Samplings were done every 15 days from August to December 2002. The species recorded were: Ocyptamus gastrostactus, Allograpta exotica, Pseudodorus clavatus and Ocyptamus anthiphates. P. clavatus occurred on all the crops and showed the highest population density (72%). It was followed by O. gastrostactus (16%), A. exotica (11%) and O. anthiphates (1%). The occurrence of the syrphids was correlated with the weather conditions and the presence of aphids.
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ISSN:0085-5626
DOI:10.1590/S0085-56262005000300013