1998
DOI: 10.1590/s0301-80591998000300004
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Efectos de la temperatura y la dieta en la biología de Eriopis connexa (Germar) (Coleoptera: Coccinellidae)

Abstract: Eriopis connexa (Germar) es un importante coccinélido afidófago distribuido en varios países de Sudamérica. Se estudió el impacto de la temperatura y alimentación sobre parámetros biológicos de sus estados inmaduros e imagos resultantes. Cohortes de larvas del coccinélido fueron criadas en una combinación de cuatro temperaturas constantes (9, 15, 19 y 27ºC) y 6 dietas de áfidos de las especies Acyrthosiphon pisum Harris y Schizaphis graminum (Rondani) con, respectivamente, cuatro y dos cantidades iniciales y t… Show more

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Cited by 16 publications
(11 citation statements)
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References 15 publications
(20 reference statements)
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“…The duration of the egg-adult period was longer for H. axyridis (≈18 days), differing significantly from that of O. v-nigrum (≈16 days) (F=6.45, df=2,10, P=0.0159) ( Figure 1A), while E. connexa and O. v-nigrum had similar durations for the period. The duration of the cycle (larva to adult) of E.connexa when fed Acyrtosiphum pisum (Harris) (Aphididae) was 14 days at 27°C, and about 13.4 days while the prey was Schizaphis graminum (Rondani) (Aphididae) (Gyenge et al, 1998), if added to incubation eggs period (2.5 days), the total cycle observed is similar to our results. In contrast, the cycle period (larva to adult) of O. v-nigrum was 25 days when the prey was S. graminum (Bado and Rodríguez, 1997) in 22±4°C temperature.…”
Section: Resultssupporting
confidence: 90%
“…The duration of the egg-adult period was longer for H. axyridis (≈18 days), differing significantly from that of O. v-nigrum (≈16 days) (F=6.45, df=2,10, P=0.0159) ( Figure 1A), while E. connexa and O. v-nigrum had similar durations for the period. The duration of the cycle (larva to adult) of E.connexa when fed Acyrtosiphum pisum (Harris) (Aphididae) was 14 days at 27°C, and about 13.4 days while the prey was Schizaphis graminum (Rondani) (Aphididae) (Gyenge et al, 1998), if added to incubation eggs period (2.5 days), the total cycle observed is similar to our results. In contrast, the cycle period (larva to adult) of O. v-nigrum was 25 days when the prey was S. graminum (Bado and Rodríguez, 1997) in 22±4°C temperature.…”
Section: Resultssupporting
confidence: 90%
“…Eriopis connexa (Germar) (Coleoptera: Coccinellidae) feeds on aphids in South America (Gyenge et al 1998) and its mass rearing can be useful for biological control programs. Mass rearing E. connexa was tested with the prey Diuraphis noxia (Mordvilko), Myzus persicae (Sulzer) and Acyrthosiphon pisum (Harris) (Hemiptera: Aphididae) at 30°C and 34°C; results were best with the first prey at 34°C (Miller and Paustian 1992).…”
Section: Introductionmentioning
confidence: 99%
“…However, in studies performed in Argentina by Gyenge et al (1997) with E. connexa, the total consumption of larvae feeding on Acyrtosiphon pisum (Harris) (256 units) and Schizaphis graminun (Rondani) (641 units) was greater than feeding of A. angulifera on M. coryli. This indicates that the predation capacity of an aphidophagous coccinellid depends on the species of coccinellid and the species of aphid, as confirmed by several studies mentioned by Hodek (1973).…”
Section: Resultsmentioning
confidence: 92%