1990
DOI: 10.1111/j.1570-7458.1990.tb01435.x
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Handling time, prey preference, and functional response for Chrysoperla rufilabris in the laboratory

Abstract: The predaceous larvae of Chrysoperla rufilabris (Burmeister) exhibited some success-motivated searching, particularly when feeding on Heliothis virescens (F.) eggs, but handling time did not decrease with experience. Handling time for H. virescens larvae was more than twice that for eggs. H. virescens larvae were preferred to cotton aphids (Aphis gossypii (F.)) while aphids were preferred to H. virescens eggs. C. rufilabris larvae exhibited a linear functional response to the three prey types tested, over the … Show more

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Cited by 51 publications
(31 citation statements)
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“…In this study, C. nipponensis and C. carnea presented a Type II functional response (Holling, 1959), similar to several reports on the functional response in C. carnea, C. rufilabris, C. externa, and C. congrua (Stark and Whitford, 1987;Nordlund and Morrison, 1990;Kabissa et al, 1996;Fonseca et al, 2000;Stewart et al, 2002;Auad and Moraes, 2003). Although the functional response-204…”
Section: Discussionsupporting
confidence: 69%
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“…In this study, C. nipponensis and C. carnea presented a Type II functional response (Holling, 1959), similar to several reports on the functional response in C. carnea, C. rufilabris, C. externa, and C. congrua (Stark and Whitford, 1987;Nordlund and Morrison, 1990;Kabissa et al, 1996;Fonseca et al, 2000;Stewart et al, 2002;Auad and Moraes, 2003). Although the functional response-204…”
Section: Discussionsupporting
confidence: 69%
“…F. MONTOYA-ALVAREZ et al Type III represents the only response with regulating possibilities (Huffaker et al, 1971), in biological control programs of ephemeral crops with augmentative release, regulating possibilities are not as important as in inoculative releases (Nordlund and Morrison, 1990). The proportion of aphids eaten by both species increased at a decreasing rate in higher aphid densities, and the proportion of aphids eaten was not constant (Fig.…”
Section: Discussionmentioning
confidence: 99%
“…C. externa ser menor que o do afídeo. No segundo ínstar, não houve variação no tempo de busca em função da alimentação no estádio inicial da larva, resultados que se aproximaram dos obtidos por NORDLUND & MORRISON (1990), os quais demonstraram a não intensificação na busca de A. gossypii por larvas de Chrysoperla rufilabris (Burmeister, 1839), mesmo quando previamente alimentadas com a mesma presa. Nesse ínstar, as larvas apresentaram menor tempo de busca que no precedente, não diferindo daquelas de terceiro ínstar, que se alimentaram nos ínstares anteriores com ovos de S. cerealella (Tabela I).…”
Section: Resultsunclassified
“…O tempo de manuseio das ninfas de U. ambrosiae por larvas de C. externa, variou em função do estádio do predador; contudo, o mesmo não ocorreu quando as larvas foram oriundas de diferentes regimes alimentares (Tabela I), como constatado por NORDLUND & MORRISON (1990), em que o tempo de manuseio de larvas de segundo e terceiro ínstares de C. rufilabris alimentadas com A. gossypii não foi influenciado pela dieta anterior dada a esse predador.…”
Section: Tratamentosunclassified
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