Elasmopalpus lignosellus (Zeller). Common Names. lesser cornstalk borer. Author: Dr. Steve L. Brown, Dr. Will Hudson, University of Georgia. J Econ Entomol. Apr;(2) Effects of Elasmopalpus lignosellus ( Lepidoptera: Pyralidae) damage on sugarcane yield. Sandhu HS(1), Nuessly GS, . Environ Entomol. Jun;39(3) doi: /EN Temperature- dependent development of Elasmopalpus lignosellus (Lepidoptera: Pyralidae).
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To scout for lesser cornstalk borer, uproot small plants in 10 locations in a field. The egg stage is difficult to sample because eggs are small and resemble sand grains. Global Information System on Pyraloidea. Lepidoptera and Some Other Life Forms. At rest, the female moth is often charcoal-colored Biddle et al.
However, crop culture that uses conservation tillage i. Natural enemies generally did not greatly affect population levels of lesser cornstalk borer, due to its subterranean habits, silken webbing, and sporadic nature. Female moths oviposit eggs in late elasopalpus and fall in Kentucky Bessinwhile in Florida, we observed heavy oviposition in spring and early summer.
elasnopalpus Elasmopalpus lignosellus Zeller Insecta: This is especially true of the females, which are less distinctive than the males.
In general, the forewing of the male moth is yellowish centrally, bordered by a broad dark band bearing purplish scales. Department of Agriculture, Forest Service.
Host Plants Back to Top Lesser cornstalk borer is a polyphagous pest that often attacks several crops throughout the southeastern United States. It was first discovered outside the continental U. Activity extends from June to November, with the generations overlapping considerably and little evidence of breaks between generations. Elasmopalpus lignosellus Zeller Elasmopalpus lignosellus From Bugwoodwiki.
Average life of adults is 10 days, and each female deposits about eggs.
Smith and Johnson constructed life tables for populations in Texas, and identified survival of large lesser cornstalk borer larvae as the key element in generation survival, but the causative factor remains unidentified. Pyralidaelarvae on sugarcane a complex hybrid of Saccharum spp. Castner, University of Florida.
The hindwings are whitish with gray to brown anterior and distal margins. Lesser cornstalk borer, Elasmopalpus lignosellus Zeller Lepidoptera: Adult female lesser cornstalk borer, Elasmopalpus lignosellus Zeller. A complete life cycle usually requires 30 to 60 days. The mature larvae are bluish green, but tend toward reddish brown with fairly distinct yellowish white stripes dorsally.
The thorax is light in males, but dark in females. Entrance to the gallery of a lesser corn stalk borer, Elasmopalpus lignosellus Zeller. Such conditions are optimal for mating and oviposition. Recorded host plants include a number ligbosellus economically important plants such as Phaseolus vulgarisBeta vulgarisBrassica oleracea var. Pheromone traps have been used successfully to monitor adult populations, and adults can be flushed from fields by beating the vegetation.
Modified planting practices have long been used to minimize crop loss.
lesser cornstalk borer – Elasmopalpus lignosellus (Zeller)
Hindwings whitish with gray to brown anterior and distal margins. Duration of the egg stage is two to three days. The optimal temperature estimated for the total development was Head and cervical shield shiny brownish black; body pale green with longitudinal, somewhat broken white and purple stripes.
Biomass was reduced in CP when plants were infested at any of the leaf stages, but sugar yield was reduced only when infested at the seven-leaf stage.
Effects of Elasmopalpus lignosellus (Lepidoptera: Pyralidae) damage on sugarcane yield.
Plants growing from single-eye setts of three varieties were exposed to a single generation of E. Guide to insect borers of North American broadleaf trees and shrubs.
When such practices fail, granular insecticides can be incorporated in the soil before covercrops are sown. Photograph by John L.
Larvae feed for about 3 weeks spinning silken tubes near the soil surface for protection. Retrieved from ” https: This page was last modified Plant death is not uncommon, and infested areas of fields often have a very thin stand.