%C Wrights Lane, London
%A H C Sharma
%A J C Davies
%I Overseas Development Administration
%V 59
%L icrisat3382
%J Miscellaneous Reports - Centre for Overseas Pest Research
%P 1-24
%D 1983
%X The or~entaal rmyworm, Mythimna separata IWlk.1, IS one of the serious cereal pests in the
Asran and AustralIan conlrnents It IS widely distrrbuted bctween 45 N and 45's lat~tude
and 60~Etn beyond 170' W lony~tude,c overing 27 countr~es/coloniatl erritnr~es/~slands
from humid tropical to temperate regions. Serious outbreaks have occurred In India, Ch~na,
Japan, Australla, New Zcaland. FIII, Bangladesh, and Tha~lancl.V ar~ousth eories are quoted
to cxpla~nth e outbreaks. Exact y ~ e l d10 % ~stimatcsa re not ~va~lablbeu, t heavy losses have
beer1 experienced In India, Ch~naJ, apan, Australla, New Zealand, and Barigladesh, Insect
development varies accord~ngto tempcratlrre and tiumid~ty.P opulat~onsh ave been
mon~toredcl slng light traps, molassrs.ba~tcd traps, ariri dry sorghum leaves. Larval brhav~our
varles cons~derably In thc sol~tary and yreyarlous phases. 111 China and Japan migration s
reported
Forty-two parasrtes, 16 predators, and 12 pathogens have been reported from the
field. Male and female pheromones have beer1 analysed. Mythirnna separ(3t.a feeds on 33
plant species belonq~ngto 8 fam~lrcs.D ~fferent~vaalr ietal suscept~b~litoyc curs Iri wheat,
rlcc, malze, and sorghum. A large number of chem~calsg ~vee flect~vec ontrol.
%T The Oriental Armyworm, Mythimna separata (Wlk.) Distribution, biology and control: a literature review.Miscellaneous Report No 59