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Tex, The Biology and Control of Insects and Mites Attacking 



Legume Crops . To (1) determine injurious species of insects 

 or mites attacking legumes; (2) determine "biology and control 

 of injurious species; and (3) develop controls for soil 

 insects attacking legumes or the crops following legumes, 

 Ent, 929 (S-25) 



Utah Activity of the Clover Seed Chalcid in Relation to 



Alfalfa Varieties and Current Cultural Practices , Learn 



(1) extent of differences in susceptibility of standard 

 alfalfa varieties to injury "by clover seed chalcid; 



(2) value of cultural control measures developed about kO 

 years ago, and reconsider them in light of increased 

 knowledge and existing cultural practices; (3) effect of 

 various insecticide treatments used for control of other 

 insects, on seed chalcid and its natural enemies, (k) Study 

 biology of clover seed chalcid and its natural enemies with 

 reference to above objectives with special reference to 

 objectives 1-3* 



Zool., Ent., Agron, kQO (W-U-3) Coop. ARS 



Va. Control of the Southern Corn Rootworm Attacking Peanuts . 



To obtain information on: (1) insecticidal effectiveness of 

 new compounds and decreased concentrations of those now 

 recommended; (2) insecticidal effectiveness of new formulations; 



(3) efficency of insecticide-fertilizer mixtures compared to 

 granulated and dust formulations; (h) insecticidal effectiveness 

 of side dress applications compared with broadcast; (5) most 

 effective application time; (6) effect of insecticide treatment 

 on maturity of peanut crop; (7) soil persistence of insecticides 

 for rootworm control; (8) amount of residue in peanuts after 

 control measures; and (9) effect of palatability after 

 control measures. 



Ent. Q60h2 



Va. Bionomics and Control of the Clover Root Borer, 



Hylastinus Obscurus (Marsham), and Control of the Clover 

 Root Curculio, Sitona Hispidula (F.) . (1) Make further 

 studies of life history and habits of clover root borer, 

 (2) Study further chemical control measure; and explore 

 possibility of varietal resistance to, or tolerance for, this 

 insect in red clover, (3) Learn if life of red clover 

 stands can be prolonged by controlling clover root borer, 

 (k) Make further tests for control of clover root curculio, 

 (5) Study other insect pests of clover and alfalfa as 

 warranted, 



Ent. 86061 



