2020
DOI: 10.3390/insects11010039
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Larger is Better in the Parasitoid Eretmocerus warrae (Hymenoptera: Aphelinidae)

Abstract: Eretmocerus warrae (Hymenoptera: Aphelinidae) is a specialist parasitoid that is used for the control of the greenhouse whitefly, Trialeurodes vaporariorum (Hemiptera: Aleyrodidae). We investigated how temperature affects the body-size, life-time oviposition, and longevity of E. warrae at different stages of life. The body-sizes of both this parasitoid and its host are influenced by temperature. Body-volume indices that reflect body-sizes fell by 47.7 % in T. vaporariorum compared with 57.6% in E. warrae when … Show more

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Cited by 12 publications
(5 citation statements)
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“…The quality and quantity of available nutrient sources of host eggs is very important for the development of egg parasitoids 28 . In general, the body size and offspring fitness of a parasitoid were positively correlated with host quality and body size is often positively correlated with other fitness parameters of the parasitoid, therefore selection for a high‐quality host is self‐evident 48,49 . We found that all six eupelmid egg parasitoids are well adapted to both fertilized and unfertilized A. pernyi eggs with negligible immature mortality and highly female‐biased progeny (>80%).…”
Section: Discussionmentioning
confidence: 82%
See 1 more Smart Citation
“…The quality and quantity of available nutrient sources of host eggs is very important for the development of egg parasitoids 28 . In general, the body size and offspring fitness of a parasitoid were positively correlated with host quality and body size is often positively correlated with other fitness parameters of the parasitoid, therefore selection for a high‐quality host is self‐evident 48,49 . We found that all six eupelmid egg parasitoids are well adapted to both fertilized and unfertilized A. pernyi eggs with negligible immature mortality and highly female‐biased progeny (>80%).…”
Section: Discussionmentioning
confidence: 82%
“…28 In general, the body size and offspring fitness of a parasitoid were positively correlated with host quality and body size is often positively correlated with other fitness parameters of the parasitoid, therefore selection for a high-quality host is self-evident. 48,49 We found that all six eupelmid egg parasitoids are well adapted to both fertilized and unfertilized A. pernyi eggs with negligible immature mortality and highly female-biased progeny (>80%). There was only a slight increase in the developmental time observed for A. gansuensis, A. japonicus or M. trabalae in naturally laid, fertilized and unwashed host eggs, which is in line with past findings.…”
Section: Discussionmentioning
confidence: 84%
“…In addition, females that had emerged from P. h. hilaris hosts moved more frequently between hosts. One possibility is that P. h. hilaris hosts are larger than C. cephalonica and wasps developing from these have a greater physical capacity for movement, for instance due to being larger or having greater energy reserves ( Gao et al 2016 , Wang and Keller 2020 ).…”
Section: Discussionmentioning
confidence: 99%
“…There are considerable evidences of the positive correlation between body size (measured by the hind tibia length) and the longevity and fecundity in parasitoids [44][45][46][47]. However, how this size is affected by the host origin from different host plants is relatively unknown [48].…”
Section: Discussionmentioning
confidence: 99%