ELASMOPALPUS LIGNOSELLUS PDF

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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The first sign of infestation in forest tree nurseries is wilting foliage. Bessin reported that the growing point of the plant was killed, leading to dead hearts symptoms that are similar to the attack of wireworms. Photograph by James L. Elasmopalpus lignosellus Zeller Insecta: Entrance to the gallery of a lesser corn stalk borer, Elasmopalpus lignosellus Zeller.

Hindwings whitish with gray to brown anterior and distal margins. Significantly more plant damage was observed in all three varieties when infested at the three- than at the seven-leaf stage. Plants growing from single-eye setts of three varieties were exposed to a single generation of E. Soil tubes formed by the lesser cornstalk borer, Elasmopalpus lignosellus Zeller.

Normally the tunneling is restricted to the basal region of stalks, including the belowground portion, and girdling may occur. As the larvae mature, whitish longitudinal stripes develop, so that by the fifth instar they are pronounced. It completes two to four generations per year Dixon b.

Moth Photographers Group – Elasmopalpus lignosellus –

Cocoons measure about 16 mm in length and 6 mm in width. Populations tend to increase over the course of a season, so some damage can be avoided by early planting. As seedlings begin to die, they may remain upright or fall over. Larvae squirm vigorously when disturbed Dixon a. Head and cervical shield shiny brownish black; body pale green with longitudinal, somewhat broken white and purple stripes.

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Price, University of Florida. Liquid formulations can also be applied, but it is important that they be directed to the root zone.

Lesser cornstalk borers seem to be adapted for hot, xeric conditions, and therefore tend to be more abundant and damaging following unusually warm, dry weather.

Adult female lesser cornstalk borer, Elasmopalpus lignosellus Zeller. Sometimes, seedlings are severed just below ground Snyder Lesser cornstalk borer has a number of weed hosts, such as: Elasmoaplpus by James F.

When first deposited, they are greenish, soon turning pinkish, and eventually reddish. Weather factors, mainly temperature, contribute to the buildup of lesser cornstalk borer populations because the eggs are oviposited at a faster rate in hot weather Mack and Backman Sweet corn plants that do not die after the damage of lesser cornstalk borer produced several bushy and stunted suckers with no marketable ears Nuessly and Webb By using this site, you agree to the Terms of Use and Privacy Policy.

This page was last edited on 7 Julyat A single female can oviposit about eggs Capinerawith a report of up to eggs Biddle et al.

When adults are disturbed and forced to fly during daylight, they fly with short, jerky movements Dixon a. Thus, tunnels often radiate out from the stem of the food source, just below the soil surface.

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Bombyliidaeand Invreia spp. Photograph by University ,ignosellus Florida. BraconidaeGeron aridus Painter Diptera: Pyralidaeis an important sugarcane pest in southern Florida. Insecticides applied for suppression of lesser cornstalk borer are usually applied in a granular formulation in the seed furrow or in a band over the seed bed, using restricted pesticides according to label recommendations.

Effects of Elasmopalpus lignosellus (Lepidoptera: Pyralidae) damage on sugarcane yield.

The most important pathogen appears to be a granulosis virus, but a Beauveria sp. The hindwings elasmopakpus whitish with gray to brown anterior and distal margins. Guide to insect borers of North American broadleaf trees and shrubs.

Distribution Back elasmoopalpus Top The lesser cornstalk borer occurs widely in the western hemisphere and is known from much of the southern United States. In females, however, the entire forewing is dark, sometimes almost black, but also bearing reddish or purplish scales. Head capsules are dark in color, and measure about 0.

Elasmopalpus lignosellus – Bugwoodwiki

Privacy policy About Bugwoodwiki Disclaimers. The relationship between borer-days and larval abundance is nonlinear, and small increases in borer-days beyond 10 results in large increases in larval abundance.

Adult male lesser cornstalk borer, Elasmopalpus lignosellus Zeller. The lesser cornstalk borer, Elasmopalpus lignosellus Zellerwas described by Zeller inbut it was not considered of economic importance until Riley Total larval development time varies widely, but normally averages about 20 days.