Section 3
Chapter 2,800

Development of Trichogramma australicum Girault (Hymenoptera: Trichogrammatidae) on Helicoverpa armigera (Hubner) eggs (Lepidoptera: Noctuidae)

Dahlan, AN.; Gordh, G.

Australian Journal of Entomology 30 November; 354: 337-344


ISSN/ISBN: 1326-6756
Accession: 002799195

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Trichogramma australicum were reared on eggs of Helicoverpa armigera. Immature T. australicum were studied with a confocal laser scanning microscope and a light microscope. Development of egg, larva, prepupa and pupa required about 24-26, 24-26, 42-47 and 84-92 h, respectively, at 28 degrees C, 45% RH and 12L:12D photoperiod. The eggs of T. australicum increased significantly in size during incubation. The larval mandibles were gradually revealed as the larva increased in size.

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