668 



THE MONTHLY BULLETIN. 



INSECT NOTES. 



The Dotato mealy bug. Pseudococcns solani (Ckll.) has been recently reported from 

 ^I TnaauS County feeding upon the underground portions of the potato stalks. 

 ?h^ insect also feeds upon the'roots of nightshade, malva and pigweed and occurs 

 Si many parts of southern California. So far, however, it has not proven a pest. 



The cottony cushion scale, Icerya purchasi var. crawii Ckll.. has .^^f.^^f^^^^, j^ 

 bvChaHesW. weeks from Red Bluff, where it occurs on acacia. This light-bodied 

 variety is usually much larger than the dark-bodied variety maskelh. 



The confused flour beetle, TriboUum confusum Duv., has been reported in the 

 granaries of Glenn County by Commissioner Carl Ley. 



The orchard mite, Epitrimerus pyri Nal.. has been reported from a number of 

 localities fn San Die'go County, where it was first observed by Geo. P. Weldon. _ 



The branch and twig borer, Polycaon confertus Lee. Commissioner Earl Morns 

 of SanS Ciarrcounty repots the prune as a common host of this beetle in his] 

 county. 



A dark blue blister beetle, Cantharis stygica Lee, has been reported as doing , 

 serious damage to lilac bushes in Modoc County by Commissioner O. C. McManus^ 

 Last year t^e same beetle did considerable damage to various ornamentals inj 

 Lassen County. 



The jumper louse, Lachnus juniperi Del G., has been collected this month at 

 Venturi California, by S. H. Essig, who reports it working upon Thuya sp. 



The squash bug, Anasa tristis De Geer. is reported as being present in many| 

 localities of Place; County, according to the report of Commissioner H. H. Bowman. 1 

 The hop aphis, Phorodon humuU Schrank. Mr. E. J. Branigan has returned| 

 f r Jm Towles' Plkcer County, where he collected approximately 3.000^000 H.ppoda^^\ 

 coZergens Guer. These are being used by County Commissioner Bloomer to com-1 

 bat the hop aphis.— E. J. Vosler. 



The red-humped caterpillar, Schizura concinna S. & A., is doing minor damagel 

 to walnut trees in Yolo and Sacramento counties.— E. J. Vosler. 



Herrn. F. Wichgraf. president of the Entomological Society of Berlin, to whor 

 30 000 live specimens of Hippodamia convergens Guer. were shipped by the State 

 Commission of Horticulture some time ago. informs us that the shipment arrived 

 in fine shape and he thinks that the beetles will be of much benefit in destroying 

 the plant lice injurious to crops in Germany.— E. J. Vosler. 



