Utah, G. P. Knowlton and P. 0. Harpist on. (Way); . SChis -insect has been very 
abundant on alfalfa throughout the’ inoiith in northern and also the 
southwestern corner of the State, 
Nevada* G.'G, Schweis (May 20); Mnch damage to alfalfa in practically 
all of Western Nevada, being more severe than has been noticed for 
several years, ' ■ i 
Washington, R.' D. Eichmann (April 29)s Only about 5 percent as many pea 
aphids as last year on alfalfa in the Gardena and Walla Walla areas. 
Drought last fall reduced the population materially,. 
C,P, Webster (May 22); , Attack on vetch on May I 3 . in San Juan 
County, -'So heavy that the crop is^' being plowed under;' _ 
Oregon, E. W, Gray (May 20); Rains late in April and, early in May materially 
■ reduced' the population on Austrian winter peas and vetch in the Willamette 
Yalleyi They were more abundant than usual but are now down to normal, 
'Rains and humidity favored fungus diseases, which killed the aphids, 
' V. ' ' PLANT BUGS (Hemiptera) ’ . . 
Utah, G, P, Knowlton (May lO); Nymphs' of Lygus elisus Van D, and L, elisus 
hesperus Knight are appearing in alfalfa, 
Arizona," W, A; Stevenson (May ll); The population o f Lygus spp, in alfalfa 
in Pima. County continues to be much heavier than .in 1939* approximately 
10 times as many being caught- with the sweep net. During the week ended 
May 4, 1 alfalfa field showed a fairly heavy population of Adelphocoris 
.superbus Uhl, ■■ 
T. 0, Barber (May 4); Chlorochfoa sayi Stal and Euschistus 
implctiventris Stal are numerous for the season in Maricopa County, 
THRIPS .(Thysanoptera) 
Utah, G* P. Knowlton (May 25 )s Abundant on alfalfa at New Harmo'ny, 
California, L. G, Jones (May 4); Alfalfa in the Antelope Valley severely 
damaged by Pranklinlella occidentalis Perg, and moult on i Hood, 
Climatic conditictos early -in the spring were favorable for multiplication 
in grassland throughout the valley, and, as the vegetation dried out, 
they migrated to alfalfa, starting ab'dut l^rch 10, By April* 13, 75 
percent of the alfalfa leaves were badly deformed and somewhat 
' skeletonized, 
'' VETCH 
- VETCH BHJCHID ( Sruchus brachialis Pahraeus) 
• L, P, Rockwood and M, M, Reeher (May 9)* Abundant' on April 12 under 
Oregon 
