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Predation of Thaumastocoris peregrinus (Hemiptera: Thaumastocoridae) by Atopozelus opsimus (Hemiptera: Reduviidae) in Brazil
(Invertebrate Survival Journal, 2014-01-01)
The bronze bug Thaumastocoris peregrinus (Hemiptera: Thaumastocoridae) is an important pest of eucalyptus in several countries and the strategies for the integrated management of this insect in commercial plantations needs ...
Ocorrência da mosca-negra-dos-citros (Aleurocanthus woglumi ashby) (Hemiptera: Aleyrodidae) em Pernambuco
(2012-03-01)
This paper aimed to verify the presence of black-fly of citrus in the state of Pernambuco in Brazil and wordwide. The material with symptoms were collected in the metropolitan area of Recife/PE and subsequently led to the ...
Efecto residual de acetamiprid, phosmet, clorpirifos y pyriproxifen sobre escama de San José en manzanas
(Universidad de Chile, 2011)
En marzo de 2009 se estudió el efecto residual de acetamiprid (Mospilan a 0,5 g·L-1),
phosmet (Imidan 70 WP a 1 g·L-1), clorpirifos (Lorsban 75 WG a 0,8 g·L-1) y pyriproxyfen
(Admiral 10 EC a 0,6 mL·L-1), sobre la fijación ...
Ingestion of the benzoxazinone dimboa from wheat plants by aphids
(1989)
DIMBOA (2,4-dihydroxy-7-methoxy- 1,4-benzoxazin-3-one was found in nymphs of the aphids Metopolophium dirhodum and Sitobion avenae which had fed on DIMBOA-containing wheat seedlings and artificial diets. DIMBOA levels found ...
No risk, no gain? Limited benefits of a non-costly herbivory-induced defense in wheat
(Universite Laval, 1998)
Following a short-term infestation by aphids, wheat seedlings show an increase in their concentration of hydroxamic acids (Hx), secondary metabolites conferring resistance against insects. The benefits for a wheat cultivar ...
Effects of indole alkaloids from gramineae on aphids
(1984)
The indole bases N∞-methyltryptamine, 5-methoxy-N, N-dimethyltryptamine, 3-N,N-dimethylaminomethylindole (gramine) and 5-methoxytryptamine decreased survival of nymphs of Rhopalosiphum maidis with LD50 of 3.8, 3.5, 2.9 and ...
DNA evidence of Trypanosoma cruzi in the Chilean wild vector Mepraia spinolai (Hemiptera : Reduviidae)
(FUNDACO OSWALDO CRUZ, 2005-05)
Molecular evidence showed 46.2% of Trypanosoma cruzi infection in Mepraia spinolai insects from North-Central Chile, which is significantly higher than previous reports of up to 26% by microscopic observation. Our results ...
Nematodos entomopatógenos nativos para el control de ninfas de (Proarna bergie) en espárrago, Paiján, La Libertad
(Universidad Nacional Agraria La Molina, 2019)
En los últimos años, en los sectores esparragueros de Macabi, El Alto y La Arenita, en Paijan, La Libertad se ha reportado una alta incidencia del fitófago Proarna bergi Distant, conocido como "chicharra o cigarra", cuyas ...