ENTOMOLOGY. ^ 741 



emulsion, and turning liogs in infested fields are suggested against the 

 larvae of the May beetle. The bean weevil was quite injurious, and it 

 is suggested that infested seeds be thrown into hot water for a few 

 minutes or heated to 145° F. for an hour. Bisulphid of carbon is also 

 suggested. The pear-blight beetle was noticed for the first time attack- 

 ing fruit trees, it having previously been noticed only on forest trees. 

 It is recommended that blighted twigs or limbs be cut off promptly 

 and burned. The larvae of the carrot fly were found burrowing in bar- 

 rels of carrots. Treating the infested roots with hot water is advised. 

 Pouring kerosene emulsion along the rows of plants during the grow- 

 ing season it is thought may be advantageous. 



Gas treatment for destroying scale insects on citrus trees, 

 A. Craw {Calif ornia State Bd. Hort. Rpt. 1S93 and 1894, pp. 105-109, 

 pis. 2). — Directions for the preparation of hydrocyanic acid gas and its 

 application, the manufacture of the tents and other apparatus being 

 detailed. It is advised that the tents be treated with a light coat of 

 linseed oil, or, better, with a watery extract of the common prickly pear 

 cactus [Opuntia engelmani) combined with glue and ocher or Venetian 

 red. 



Experiments were made in spraying apple trees with a solution of 

 Paris green and Bordeaux mixture as a combination remedy against 

 codling moth and apple scab. 



Beneficial insects, A. Craw {California State Bd. Hort. Rpt. 1893 

 and 1894, pp. 96-105, pis. 3). — Descriptive notes and colored illustra- 

 tions of the following insects, native and imported, preying upon vari- 

 ous scale- insects: Two-spotted ladybird {Adalia bipunctata), Anatis 

 subvittata, twice-stabbed ladybird {Ghilocorus bivulnerus), ashy-gray 

 ladybird {Coccinella abdominalis), California ladybird ( (7. californica), 

 22-spotted leis {C. {Lets) conformis), eyed ladybird {C. oculata), blood- 

 red ladybird {C. sanguinea), Julian's banded ladybird (C. trifasciata 

 Juliana), Pilate's ladybird {Exochomus pilatei), convergent ladybird 

 {Hippodamia cor^ver^ews), ambiguous ladybird {R. ambigua), Hyperaspis 

 lateralis, striped ladybird {Meg ilia vittigera), Koei)ele's ladybird {Novim 

 Icoebelei), six-spotted orcus {Orcus australasia), steel-blue ladybird (0. 

 chalybeus), 20-spotted ladybird {Psyllobora 20maculata), brown-necked 

 ladybird {Rhizobius toowootnbw), black ladybird {R. ventralis), Austra- 

 lian ladybird ( Vedalia cardinalis), a lepidopterous enemy of the black 

 scale {Thalpochares coceophaga), lace- winged fly {Chrysopa calif ornica), 

 brown lace- winged fly {Henierobius), spine-legged soldier bug {Sinea 

 spinipes), gray soldier bug {Euschistus tristigmus), and syrj)hus fly 

 {Catabomba pyrastri). 



Entomology and quarantine, A. Craw {California State Bd. Hort. 

 Rpt. 1893 and 1894, pp. 79-90, figs. 3). — A report of the inspection 

 of steamers and their cargoes to avoid the introduction of injurious 

 insects. Details of the work of fumigation are given. Notes are 

 included on some of the beneficial insects of the State, chiefly lady- 



