Haggis, Margaret J. <br/><br/>
Distribution, frequency of attack and seasonal incidence of the African armyworm Spodoptera exempta (Walk.) (Lep. : Noctuidae), with particular reference to Africa and southwestern Arabia / 
Margaret J. Haggis. 
 - London :  Tropical Development and Research Institute,  1984. 
 - iii, 116 p. :  maps. 
<br/><br/><label>ISBN: </label>0851351395 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spodoptera.<br/>Insect pests.<br/>Armyworms--Seasonal distribution.