期刊
NEOTROPICAL ENTOMOLOGY
卷 39, 期 2, 页码 172-180出版社
ENTOMOLOGICAL SOC BRASIL
DOI: 10.1590/S1519-566X2010000200005
关键词
Lepidoptera pest species; nutrition; ovigeny index; reproductive physiology
类别
This research evaluates the effect of the adult diet on the reproduction of Anticarsia gemmatalis Hubner, Heliothis virescens (Fabr.), Spodoptera frugiperda (J. E. Smith) (Noctuidae), Diatraea saccharalis (Fabr.) (Crambidae), Gymnandrosoma aurantianum Lima (Tortricidae) and Stenoma catenifer Walsingham (Elachistidae). Adults of all species were fed either water or a 10% honey solution. The egg viability for the 1(st) and 2(nd) egg masses, adult fecundity, longevity, number of mating and the ovigeny index (01) (degree of ovarian maturation) were evaluated. Fecundity of A. gemmatalis and H. virescens was drastically reduced when females were fed only on water. Egg viability from both 1(st) and 2(nd) egg masses was variable between treatments. Females of A. gemmatalis, H. virescens and S. frugiperda, and males of some species had a reduced longevity when fed only on water. The number of matings was higher for A. gemmatalis and D. saccharalis when fed on water only. The 01 was < 1.0 for all species evaluated indicating that all females may develop new oocytes as they age. Based on the 01 and the reduced fecundity of A. gemmatalis and H. virescens, one observes that adult feeding is important for the reproduction of both species, and the 10 is not a good parameter to indicate such condition. Spodoptera frugiperda, G. aurantianum, D. saccharalis and S. catenifer do not require any source of carbohydrates as adults to sustain their reproduction.
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