Results 101 to 110 of about 227 (121)
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Canadian Journal of Zoology
Ladybird beetles like many other organisms show developmental rate polymorphism in response to various abiotic and biotic factors. Since mating disruption acts as a stressor, we decided to study its impact on the occurrence of developmental rate polymorphs in ladybird beetle, Propylea dissecta Mulsant, 1850 (Coleoptera: Coccinellidae).
Dipali Gupta, Geetanjali Mishra
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Ladybird beetles like many other organisms show developmental rate polymorphism in response to various abiotic and biotic factors. Since mating disruption acts as a stressor, we decided to study its impact on the occurrence of developmental rate polymorphs in ladybird beetle, Propylea dissecta Mulsant, 1850 (Coleoptera: Coccinellidae).
Dipali Gupta, Geetanjali Mishra
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Bulletin of entomological research, 2006
The effects of conspecific adult interference on the reproductive output of an aphidophagous ladybird, Propylea dissecta (Mulsant) were investigated. Ovipositing females were subjected to physical interference with conspecific adults (0 to 4 males or females) in Petri dishes and the effects on egg cannibalism, oviposition and egg viability were ...
G, Mishra, Mr, Omkar
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The effects of conspecific adult interference on the reproductive output of an aphidophagous ladybird, Propylea dissecta (Mulsant) were investigated. Ovipositing females were subjected to physical interference with conspecific adults (0 to 4 males or females) in Petri dishes and the effects on egg cannibalism, oviposition and egg viability were ...
G, Mishra, Mr, Omkar
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Journal of Applied Entomology, 2004
Abstract: The role of surface chemicals in egg cannibalism and intraguild predation by neonates of two aphidophagous ladybirds, Propylea dissecta and Coccinella transversalis were examined. Neonates of both species prefer to eat non‐sibling conspecific eggs than heterospecific eggs, with higher preference in P. dissecta.
null Omkar, A. Pervez, A. K. Gupta
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Abstract: The role of surface chemicals in egg cannibalism and intraguild predation by neonates of two aphidophagous ladybirds, Propylea dissecta and Coccinella transversalis were examined. Neonates of both species prefer to eat non‐sibling conspecific eggs than heterospecific eggs, with higher preference in P. dissecta.
null Omkar, A. Pervez, A. K. Gupta
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Canadian Journal of Zoology
Crowding induces behavioural and lasting morphological and chromatic changes in insects. This study examined how larval rearing density of Propylea dissecta (Mulsant, 1850) affected food choice and development duration, hypothesising that larvae under stress will opt for lower quality food as larval density increases.
Lata Verma +2 more
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Crowding induces behavioural and lasting morphological and chromatic changes in insects. This study examined how larval rearing density of Propylea dissecta (Mulsant, 1850) affected food choice and development duration, hypothesising that larvae under stress will opt for lower quality food as larval density increases.
Lata Verma +2 more
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Animal Biology
Abstract Developmental plasticity is a well-known individual survival strategy. Organisms are usually limited in their ability to read environmental cues and to integrate present and past information for optimally adjusting their phenotype to the state of their environment. Our study was designed to evaluate the effects of experimental selection on the
Arshi Siddiqui +3 more
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Abstract Developmental plasticity is a well-known individual survival strategy. Organisms are usually limited in their ability to read environmental cues and to integrate present and past information for optimally adjusting their phenotype to the state of their environment. Our study was designed to evaluate the effects of experimental selection on the
Arshi Siddiqui +3 more
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Journal of Applied Entomology
ABSTRACT Under field conditions, almost all organisms are exposed to a variety of threats including predators, heterospecific, and conspecific competitors, leading to disruptions in feeding as well as mating. Such disruptions may negatively impact reproduction, development, and in extreme cases even survival ...
Lata Verma +4 more
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ABSTRACT Under field conditions, almost all organisms are exposed to a variety of threats including predators, heterospecific, and conspecific competitors, leading to disruptions in feeding as well as mating. Such disruptions may negatively impact reproduction, development, and in extreme cases even survival ...
Lata Verma +4 more
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Functional and numerical responses of Propylea dissecta (Col., Coccinellidae)
Journal of Applied Entomology, 2004Omkar
exaly