Full TGIF Record # 1307
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Author(s):Tashiro, H.
Author Affiliation:College of Tropical Agriculture, Hawaii University, Honolulu, HI
Title:Biology of The Grass Webworm, Herpetogramma licarsisalis (Lepidoptera: Pyraustidae) in Hawaii
Source:Annals of the Entomological Society of America. Vol. 69, No. 5, 1976, p. 797-803.
Publishing Information:Columbus, Ohio
Keywords:TIC Keywords: Herpetogramma licarsisalis
Abstract/Contents:The biology of Herpetogramma licarsisalis (Wlk.), currently the most serious turf pest in Hawaii, was studied by laboratory rearing at an avarage temperature of 24.5 deg.C and in an outdoor cage. Eggs are flat, elliptical, 0.64 X 0.91 mm and were deposited singly or in masses on the upper surface of leaf blades along the midrib and on plastic vials. The larvae have 5 instars; the first-instar head capsule is black, all others are brown. Mature larvae are brown to green and may have a rose tint with a head capsule width of 1.8 mm. Pupation occurred in a loosely-woven hibernaculum. Adults were uniformly fawn to light brown and had a wing span of abdominal characters. Most females had a preoviposition period of 3-6 days. Mean egg production per female was 249, with a maximum of 556. The duration the stages averaged 4-6 days for the egg, 14.3 days for the larba, 7.3 days for the pupa, 13.1 days for male moths and 13.5 days for female moths. The insect is strictly nocturnal, adult eclosion, mating, oviposition, hatching, feeding, moulting and pupation occurring at night.
Geographic Terms:Hawaii
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Tashiro, H. 1976. Biology of The Grass Webworm, Herpetogramma licarsisalis (Lepidoptera: Pyraustidae) in Hawaii. Ann. Entomol. Soc. Am. 69(5):p. 797-803.
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