528 THE MONTHLY BULLETIN. 



INSECT NOTES. 



On the 27th of October the pear leaf blister mite, Eriophyes pyri, was found under 

 the bud scales of pear trees in Placer County. This pest has been quite troublesome 

 In certain of the mountain counties in which pear growing is an important industry. — 

 Geo. p. Weldon. 



The grape leaf-folder, Desmia funeralis, appeared in damaging numbers in some 

 Kings County vineyards during the past season. Some vines were seen where prac- 

 tically every leaf had the edges tied back in the manner characteristic of this pest. — 

 Geo. "p. Weldon. 



Pear orchards in Stanislaus and Merced counties that were recently visited, con- 

 tain an abundance of eggs of the brown mite, Bryobia pratensis. It is somewhat 

 unusual to find this pest abundant on peach trees in California. All trees where these 

 eggs occur should be treated with a limiC-sulphur spray, using one part to ten parts 

 of water, in the early spring as buds are swelling. — Geo. P. Weldon. 



The Catalina cherry, Prunus integrifoUa, is very heavily infested with Mellisopus 

 latiferreana Wlsm., at Sierra Madre, Los Angeles County. This moth is very similar 

 to the codling moth, Cydia pomonella. — E. J. Branigan. 



The most serious pest of the Lawson cypress in Golden Gate Park, San Francisco, 

 is Cydia cupressana Kear., a moth which fatally injures many mature trees. The 

 larvae of this moth can be easily located by the swellings, distortions and exuding 

 resin in the crotches of the larger branches. — Harold Compere. 



A small Coccinellid, Delphastus catalinw, was found during August feeding in large 

 numbers on an Aleyrodid attacking the Catalina cherry, Prunus integrifoUa, at Sierra 

 Madre, Los Angeles County. — E. J. Branigan. 



The gree'dy scale, Aspidiotits camelliw Signoret, has become a formidable pest on 

 many species of ornamental evergreens in Golden Gate Park at San Francisco. — 

 Harold Compere. 



The Lemur Syrphid, Baccha lemur O. S., was found feeding on the golden mealy 

 bug, Pseudococcus aurilanatus (Mask.), attacking the Norfolk Island pine at Pasa- 

 dena. Scymnus guttulatus Le Conte and Scymnus sordidus Horn were also found 

 feeding upon this mealy bug at Pasadena. Scymnophagus townsendi Ashm. was bred 

 from the pupae of Scymnus guttulatus at Pasadena. This parasite is commonly found 

 attacking Scymmis guttulatus at Marysville. — B. J. Branigan. 



A Lepidopterous larva, probably a species of Acleris, is infesting the young Sequoia 

 gigantea trees at Balboa Park, San Francisco. The young trees have been growing 

 vigorously and much tender green wood has been formed. Many of the Acleris moths 

 infesting the nearby Monterey cypress have attacked the new wood of the Sequoia 

 trees. As a result some of the terminal shoots have been dwarfed by the larvae of 

 this moth, while others have been weakened. On large cypress trees this moth is not 

 a serious pest, but under favorable conditions the injury is serious to the small 

 sequoias. Methods for the control of this moth, when attacking the small trees, 

 consist in the liberal application of an arsenical poison during the fall, befoi-e the eggs 

 begin to hatch. The particles of the poison will lodge in the crotches and bracts, where 

 the newly hatched larvae begin to feed. — Harold Compere. 



The minute black ladybird, Stethorus vagans (Blackta. ), was found feeding on 

 Bryobia pratensis Garman at Pasadena. — B. J. Branigan. 



The fruit of the Satsuma plum was found to be infested with the peach twig borer, 

 Anarsia lineatella Jeller, at Pasadena. — E. J. Branigan. 



