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Neotropical Entomology

versão impressa ISSN 1519-566Xversão On-line ISSN 1678-8052

Resumo

PASINI, Amarildo; PARRA, José R.P.  e  LOPES, Janaína M.. Artificial diet for rearing Doru luteipes (Scudder) (Dermaptera: Forficulidae), a predator of the fall armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae). Neotrop. Entomol. [online]. 2007, vol.36, n.2, pp.308-311. ISSN 1678-8052.  https://doi.org/10.1590/S1519-566X2007000200020.

A new technique involving an artificial diet and an artificial substrate for oviposition for the rearing of the predator Doru luteipes (Scudder) is suggested. Both adults and nymphs were maintained in petri dishes containing a transparent piece of soda straw filled with moistened cotton and the corresponding food for the biossays. The following treatments were tested: eggs of Spodoptera frugiperda (J.E. Smith), Diatraea saccharalis Fabricius (Lepidoptera: Pyralidae) and Anagasta kuehniella Zeller (Lepidoptera: Pyralidae); insect pupae meal (FPI); Apis mellifera L. (Hymenoptera: Apidae) commercial pollen (PC); FPI + PC, and FPI + cattail pollen [Typha angustifolia L. (Thyphaceae)]. Each treatment had 50 replicates, and food was offered in excess. Treatments consisting of insect pupae meal (FPI), FPI + commercial pollen (PC), and FPI + cattail pollen resulted in nymphal development of 32, 29, and 29 days, with 83, 90 and 100% survival, respectively, and were superior to the PC treatment, with values of 37 days and 67% survival observed for insects reared on commercial pollen. Treatments that included insect pupae flour, either alone or mixed with pollens, were similar to control (S. frugiperda eggs). We conclude that the artificial diets tested and rearing technique are suitable for the artificial rearing of D. luteipes in laboratory conditions.

Palavras-chave : Insecta; natural enemy; biological control.

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