. Manual of fruit insects. ing properly. The fruit is also injured by a blackfungus which grows onthe sticky substance,known as honey-dew,secreted by the lice. After the middle ofJuly the lice becomegreatly reduced in num-bers, owing to the at-tacks of their numerouspredaceous and parasiticenemies, but a few fe-males are able to sur-vive, and at the ap-proach of cold weathergive rise to true malesand females. The latter deposit the winter eggs on the twigsduring the latter part of The currant plant-louse is not an easy insect to control,owing to the way in wliich it is prote
. Manual of fruit insects. ing properly. The fruit is also injured by a blackfungus which grows onthe sticky substance,known as honey-dew,secreted by the lice. After the middle ofJuly the lice becomegreatly reduced in num-bers, owing to the at-tacks of their numerouspredaceous and parasiticenemies, but a few fe-males are able to sur-vive, and at the ap-proach of cold weathergive rise to true malesand females. The latter deposit the winter eggs on the twigsduring the latter part of The currant plant-louse is not an easy insect to control,owing to the way in wliich it is protected in the pocket-Ukecavities of the curled leaves. These soft-bodied Uce are easilykilled by ordinary contact insecticides, such as kerosene emul-sion, soap solutions and tobacco extracts; the difficulty is inreaching them. To be effective, the spraj-ing must be done withgreat thoroughness soon after the hatching of the eggs andbefore the leaves curl; an upturned nozzle should be used so asto hit the leaves from Fig. — A colony of currant plant-lice onthe underside of a leaf. ReferenceN. Y. (Geneva) Agr. Exp. Sta. Bull. 139, pp. 660-663. 1897. CURRANT AND GOOSEBERRY INSECTS 353 The Gooseberry Midge Dasyneura grossularioe Fitch The fruit of the gooseberry is sometimes destroyed by asmall, bright yellow maggot which feeds in the pulp and causesthe berry to turn red prematurely, decay and fall to the parent fly is a deUcate midge resembUng a mosquito inform, about yV inch in length, with a pale yellow body and legsand with black eyes and blackish antennae. The female ap-parently punctures the skin of the fruit with her ovipositorand inserts the egg directly into the pulp. Pupation takes place within the decayed berry, and the fliesemerge in the latter part of July. The further history of thisinsect is unknown. The gooseberry midge has never become a serious better remedy has been suggested than to collect and destroythe infested berries befor
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