Universal Chalcidoidea Database

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Hallett, H.M. 1936 (31 Aug 1936), Insects of Glamorgan. Glamorgan County History 1:312-375    
Hallett, R.H.; Bahlai, C.A.; Xue, Y.G.; Schaafsma, A.W. 2014, Incorporating natural enemy units into a dynamic action threshold for the soybean aphid, Aphis glycines (Homoptera: Aphididae). Pest Management Science 70(6):879-888    
Hällgren, J.E. 2011, 14th Scientific Conference of the International Boreal Forest Research Association - The Roles of Boreal Forests in a Global Context, Harbin, China, 22-27 September 2008. Scandinavian Journal of Forest Research 26:1-68 Taylor and Francis    
Hallman, G. 1979, Some observations on Trichogramma. Revista Colombiana de Entomología 5(3/4):13-18    
Hallman, G. 1979, Importance of some natural relations between plants and arthropods to agriculture in the warm zone of central Tolima. Revista Colombiana de Entomología 5(3/4):19-26    
Hallman, G. 1979, Fuentes naturales de Trichogramma spp. Boletin de la Sociedad colombiana de Entomologia, Entomologo (Boletin de Noticias) No 19:3pp    
Hallman, G. 1980, Food-plants and natural enemies of Heliothis spp. in the cotton growing region of the Department of Tolima, Colombia. Turrialba 30(3):272-279    
Hallman, G.; Garcia, J. 1986, Empoasca spp. como plaga del frijol. Ceiba, Honduras 26(1):127-139    
Hallman, G.J. 1985, Comparison and contrast of cotton and Desmodium tortuosum as hosts of Heliothis virescens. Insect Science and its Application 6(5):573-578    
Keywords: Parasitism; Pesticide, effect of
Hallman, G.J.; Sanchez G.; G. 1984 (30 Apr 1984), Possibilities for biological control of Antigastra catalaunalis (Lep.: Pyralidae) a new pest of sesame in the western hemisphere. Entomophaga 27(4):425-429    
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