Hawaii 
Hawaii 
Idaho 
Idaho 
Masse 
2 
Investigations on the Biology and Control of Hawaiian 
Mites. To (1) make a survey of mites of Hawaii, to determine 
what species are present in the fauna, and which are to economic 
importance; (2) conduct studies on Hawaiian mites with a view to 
developing knowledge of those characteristics of mite biology 
and population dynamics which may be of value in developing or 
improving control; and (3) develop or improve methods of biologi- 
cal and chemical control suited to Hawaiian conditions. 
Ent. 963 Coope ARS 
Biologies of Economically Important Insects in Hawaii. To 
(1) increase the knowledge of the life histories of the pest in- 
sects found in Hawaii and the beneficial species that prey on 
them; (2) build up a reference collection of immature stages and 
adults of pests and beneficial species that prey on them. Emphasis 
placed on species affecting health of man or animals and beneficial 
species that prey on pest species, (leaf mining insects, wood bor- 
ing insects, insects attracted to carrion and filth and beneficial 
flies that prey on mealybugs and scale insects). 
Ent. 966 
Effect of Lygus Spp. on Clover and Vegetable Seed Crops. 
To determine (1) if red, white Dutch, alsike, and ladino clovers 
and carrot and parsnip seed crops are affected by lygus bug feeding; 
(2) how injury is produced; (3) lygus bug population trends in these 
crops and populations needed to cause economic reductions in seed 
yields; and (4) critical period as to plant and insect development 
when control measures should be applied. 
Ent. 227 
The Biology of Mites that Feed on Crops and Other Plants and 
the Damage Caused in Idaho. To learn plant feeding mites which 
occur in Idaho; host ranges of these plant-feeding mites; economi- 
cally important species of plant-feeding mites. To study ecological 
factors affecting population trends of mites of economic importance 
and their life histories. 
Ent. 252 
Climatology and Northeastern Agriculture. To learn (1) rela- 
tion of area macroclimatological data to production and quality of 
agricultural crops of the state; (2) microclimatic conditions under 
which parasitic pathogens infect small fruit crops; (3) relation 
of climatic factors to insect pests, their distribution, survival, 
emergence, reproduction, and feeding rate. 
Agr. Engin., Met. 122 (NE-35) Coop. USDC-WB 
