Abstract
The genus Anicla Grote, 1874 is composed of eleven species; their larvae are harmful, mainly to native and cultivated grasses, but up to now, there is information available of only two species. This study aims at detailing the bionomy of A. mahalpa Schaus; the data were obtained from a laboratory rearing under the following settings: 20 +/- 2 masculineC, 70 +/- 10% relative humidity and 12 hours of photoperiod. Larvae were fed on ryegrass, Lolium multiflorum Lam. (Poaceae). The results expressed by the mean and respective standard error for the periods of each phase, in days, were the following: egg 6.00 +/- 0.00, larva 36.47 +/- 0.44, pre-pupa 5.23 +/- 0.21, pupa 23.60 +/- 0.37, and adult: longevity 15.24 +/- 0.75 with pre-egg-laying-periods of 5.29 +/- 0.32; egg-laying period, 9.64 +/- 0.81, and post-egg-laying period, 0.71 +/- 0.27 days. The mean number of egg-laying cycles per female was 7.36 +/- 0.20 and 2,014.21 +/- 78.93 eggs per female. Eggs, which are subspheric, have a diameter of 0.76 +/- 0.01 mm; larvae passed through six instars; their head capsules width, provided a mean ratio of growth of 1.482. Pupae presented a mean width and length of 6.07 +/- 0.06 and 17.24 +/- 0.19 mm, respectively and weight of 0.33 +/- 0.01 g.
Highlights
Noctuidae, which account for 24.801 described species, comprehend the most diverse family of macrolepidoptera (Heppner, 1991), and include the biggest number of economically important species, commonly known as armyworms, cutworms, semiloopers and velvetbean caterpillars (Holloway et al, 1992; Scoble, 1995)
Considering that knowledge about this species is restricted to the morphology of adults (Schaus, 1898) and recordings of occurrences (Biezanko and Bertholdi, 1951), this study aims at detailing the bionomy of A. mahalpa in the laboratory
Bionomy of Anicla mahalpa in the laboratory Phases n Mean Adult 28 15.24 p 0.75 Male 14 14.73 p 1.15 Female (total) 14 15.64 p 1.00
Summary
Noctuidae, which account for 24.801 described species, comprehend the most diverse family of macrolepidoptera (Heppner, 1991), and include the biggest number of economically important species, commonly known as armyworms, cutworms, semiloopers and velvetbean caterpillars (Holloway et al, 1992; Scoble, 1995). Corseuil, E. of several host plants (Holloway et al, 1992; Scoble, 1995). Larvae of Anicla Grote, 1874, rest on their host plants, which are mainly grasses (Foerster and Mello, 1996; Teston et al, 2001). This genus has eleven species (Poole, 1989), but biological knowledge is restricted to two species (Foerster and Mello, 1996; Angulo and Olivares, 1997; Teston et al, 2001)
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