Toxicological and behavioral impacts of atrazine on Trichogrammatidae (Hymenoptera) in choice tests

نویسندگان

چکیده

Weeds should be controlled with low impact methods and selective agrochemicals that have little or no effect on non-target organisms. This study aimed to evaluate the of herbicide atrazine (triazine class) 10 Trichogrammatidae (Hymenoptera) species. A female species these natural enemies was individually placed in a glass test tube (free-choice test) two paper cards containing 45 Anagasta (Ephestia) kuehniella (Lepidoptera: Pyralidae) eggs (treatment control), replications. The were sprayed at 8.07 L/ha; control distilled water. Parasitism by allowed for 48 h. Atrazine changes behavior parasitoids, reducing parasitism (≈ 71 %) emergence 74 rates sex ratio species, except Trichogramma galloi T. bennetti. No females emerged from parasitized acacioi, Trichogrammatoidea annulata, atopovirilia, bruni, brasiliensis, demoraesi, soaresi atrazine. results revealed is harmless bennetti galloi, but it moderately harmful (80 – 99 % reduction) other based rates.

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ژورنال

عنوان ژورنال: Revista Colombiana De Entomologia

سال: 2021

ISSN: ['0120-0488', '2665-4385']

DOI: https://doi.org/10.25100/socolen.v47i1.8445