Title:	Biology and parasitism of Trichogramma pretiosum Riley, 1879, on Anagasta kuehniella (Zeller, 1879) and Heliocoverpa zea (Boddie, 1850) eggs.
Authors:	SA, L. A. N. de PARRA, J. R. P.
Affiliation:	LUIZ ALEXANDRE NOGUEIRA DE SA, CNPMA.
Date Issued:	1994
Citation:	Journal of Applied Entomology, v.118, p.38-43, 1994.
Description:	Biological aspects of Thichogramma pretiosum Riley, 1879, reared on factitious host Anagasta kuehniella (Zeller, 1879), were studied in incubators at 25 (+- 1.C); 60 (+- 10%) RH and 14 hour photophase with the aim of obtaining basic information for the biological control of Helicoverpa zea (Boddie, 1850) in corn crop. The average duration of the life cycle (egg-adult) of T. pretiosum was similar when reared on natural and factitious host. Sexual ratio of the parasitoid was not affected by the natural or factitious host. The longevity of T. pretiosum was higher when reared on factitious host relating to natural host. The parasitism capacity of the two strains of T. pretiosum on A. kuehniella eggs was similar, with a high concentration of parasitism in the firstfour days of the female's life.
Thesagro:	Anagasta Kuehniella Helicoverpa Zea
NAL Thesaurus:	Trichogramma pretiosum biological control corn parasitism
Keywords:	Biology Parasite Insect Pest
Type of Material:	Artigo de periódico
Access:	openAccess
Appears in Collections:	Artigo em periódico indexado (CNPMA)