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A flagellate protozoan from Mythimna separata (Lepidoptera: Noctuidae)
Authors:L A Malone  P J Wigley  S D Dhana
Institution:Entomology Division, Department of Scientific and Industrial Research , Private Bag, Auckland , New Zealand
Abstract:Abstract

A trypanosomatid flagellate, Herpetomonas sp., is recorded from an adult Mythimna separata (Walker) (Lepidoptera: Noctuidae). Promastigote, paramastigote, and opisthomastigote stages measured 3.4–12 × 1.3–4.3 μm, Giemsastained, with flagella measuring 13.8–18.7 μm. A few amastigotes (3.9–8.3 × 3.7–6.7 μm) were also observed. Fourteen larvae fed with a suspension of flagellates were found later to be infected with the protozoan. No flagellate infections were found in the hymenopteran parasitoid, Apanteles ruficus (Haliday), or the hyperparasitoid, Trichomalopsis sp.
Keywords:Lepidoptera  Noctuidae  Mythimna separata  flagellate trypanosomatid  Protozoa  Herpetomonas sp  
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