Parasitismo de ovos de Tibraca limbativentris Stal (Hemiptera: Pentatomidae) na cultura do arroz no Maranhão / Natural egg parasitism of Tibraca limbativentris Stal (Hemiptera: Pentatomidae) in rice crop in the State of Maranhão, Brazil
Neotrop. entomol
;
36(4): 616-618, July-Aug. 2007. tab
Article
in Portuguese
| LILACS
| ID: lil-464628
RESUMO
O percevejo-do-colmo, Tibraca limbativentris Stal, é um dos insetos mais prejudiciais à cultura do arroz no Brasil. Este trabalho avaliou a ocorrência de parasitóides em ovos de T. limbativentris no Maranhão. Os ovos coletados apresentaram em média um parasitismo de 32 por cento. Os parasitóides identificados foram Telenomus podisi (Ashmead), Trissolcus urichi (Crawford) (Hymenoptera Scelionidae) e Oencyrtus submetallicus (Howard) (Hymenoptera Encyrtidae).
ABSTRACT
The rice stem bug, Tibraca limbativentris Stal, is an important pest of rice in Brazil. This work evaluated the occurrence of parasitoids in eggs of T.limbativentris egg parasitism in rice crops in the Maranhão State. The eggs collected exhibited an average parasitism of 32 percent. The parasitoids collected were Telenomus podisi (Ashmead), Trissolcus urichi (Crawford) (Hymenoptera Scelionidae) and Oencyrtus submetallicus (Howard) (Hymenoptera Encyrtidae).
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Index:
LILACS (Americas)
Main subject:
Cimicidae
/
Hymenoptera
Country/Region as subject:
South America
/
Brazil
Language:
Portuguese
Journal:
Neotrop. entomol
Journal subject:
Biology
/
ZOOLOGIA
Year:
2007
Type:
Article
Affiliation country:
Brazil
Institution/Affiliation country:
Centro Experimental do Instituto Biológico/BR
/
Embrapa Arroz e Feijão/BR
/
UEMA/BR
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