THE MONTHLY BULLETIN. 85 



INSECT NOTES. 



Conducted by the Editor. 



Mr. J. P. Lyons, a large barley grower of Brawley, reports the barley aphis A 

 avenw (I<ab. ) Perg. doing serious damage to tliat grain in the Imnerial \-;aiev — ^ 

 Harry S. Smith. 



"""he maple plant louse, Drepanaphis acerifolii (Tlios.) has recently been reported 

 as occurruig- on maple at Hanford, California, by B. V. Sharp, and the writer has 

 repeatedly taken it on maple trees at Sacramento. 



San Jose scale,, Aspidiotus perniciosus Comst. has been found existing in very great 

 numbers ui pear orchards in Yolo County near Sacramento. — Leroy Childs. 



Mr. Edward J. Branigan, who has spent considerable time during the past two 

 months scouting for Hippodumia convergens colonies in tlie Sierras reports an 

 unusually good supply, but difficulty will be experienced in getting them out this 

 season owmg to the closing down of the mines, where the collectors formerly made 

 their head'quarters. — Harry S. Smith. 



Mr. Geo. A. Lamiman has recently sent in some fine specimens of the willow scale, 

 Chionnspis salicis-nigra (Walsh), collected at Castella, California, on maple ( 4cer sp ) 

 This IS the first time that maple has been reported as a host of this insect. — Leroy 

 Childs. 



The strawberry crown-borer, Sesia rutilans (Edw.), has been received from H H 

 Bowman, Horticultural Commissioner of Placer County. At this season the insect 

 is hibernating in the larval stage in the crowns of the strawberry plants. — January 7, 



County Commissioner Geo. H. Hecke of Yolo reports the European fruit scale 

 Lecanium corni, still in excellent shape for successful spraying. — Geo. P. Weldon. 



The ivy or oleander scale, Aspidiotus hederw (Vail.), has been sent to the office 

 by C. W. P.eers of Santa Barbara, where it was found on palm leaves. The writer 

 has taken this species on both leaves and leaf-stems of palms in many localities and 

 Its distribution is quite universally established in the state. — Leroy Childs. 



The orange tortrix, Tortrix citrana Fern, is quite common infesting the fruit of the 

 navel orange trees in the vicinity of Upland, California. — January 16, 1914. 



The white sage mealy bug, Pscudococcus craioii (Coq.), occurs at this season in 

 the vicimty ol I'pland upon tlie large stems of the white sage close to the surface of 

 the ground. — January 17, 1914. 



The artemisia mealy bug, Psendococcus artcmisia' Essig, was collected in tlie 

 vicinity of Upland, California. January 16, 1914, upon the roots of thf California sage 

 Arteiuisia cnlilornica. Tlie adlilts are distinctly lead colored and have short white 

 anal nlaiiiciit.s. 



Baker's mealy bug, Psendococcus hakeri, Essig, has been collected in the vicinity 

 of Upland, California, upon the following host plants: foliage and fruits of oranges 

 and lemons, roots of nightshade (Soknium doufjlasii) and wild sunflower, also upon 

 the grevillea, ivy, Seuecio sp., and a few other ornamental plants. 



The nightshade mealy bug, Pseudococcus solani Ckll., has recently been collected 

 in the vicinity of Upland upon the roots of nightshade, wild sunflower and tomatoes. 



