File:Fifth report of the United States Entomological Commission, being a revised and enlarged edition of Bulletin no. 7, on insects injurious to forest and shade trees (1890) (14775274824).jpg

Identifier: fifthreportofuni00unit (find matches)
Title: Fifth report of the United States Entomological Commission, being a revised and enlarged edition of Bulletin no. 7, on insects injurious to forest and shade trees
Year: 1890 (1890s)
Authors: United States Entomological Commission Packard, A. S. (Alpheus Spring), 1839-1905
Subjects: Forest insects Trees Beneficial insects Insect pests
Publisher: Washington, Govt. Print. Off.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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on the head andalong the back; but occasionally pale green predominates. Structurally the male isat once distinguished by his shorter, more slender body; his longer legs and feelers;his narrower and less dilated front thighs; his swollen middle thighs, and by thegreater stoutness of the spines near the ends of the middle and hind thighs, these andthe other distinguishing sexual characters beiug less obvious in the earlier stages ofgrowth. Remedies.—While the insects are young, they may be destroyed by sprinkling theunderbrush in the timber with Paris green water, wherever the timber is inclosed sothat domestic animals can be kept away from the poisoned vegetation. Proc. Bost. Soc. Nat. Hist., Vol. XI, pp. 88 and 89. THE GOLDSMITH BEETLE. 321 The most satisfactory means of averting the insects injuries, however, will be foundin the destruction of the eggs during winter. This may be done either by digging andturning them under, or by burning over the dead leaves among which they lay.
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Fig. 124 —The walking stick, a, b, eggs; c, young just batching;d, male ; e, female. (After Riley). 90. The goldsmith beetle.Coialpa lanigera (Linn.). We have observed this beetle pairing June 1 on the leaves of Caryaporcina, and it evidently may be counted as occasionally feasting on thefoliage of the hickory.5 ENT 21 322 FIFTH REPORT OF THE ENTOMOLOGICAL COMMISSION. A large uumber of Heniiptera, such as gall-lice, tree-hoppers, etc.,puncture the leaves, causing them to wither or raising galls upon them.The following species have been noticed by Fitch and others; 91. The hickory-stem gall-louse. Phylloxera caryoscaulis (Fitch). Forming bullet-like galls, hollow, green, and of a leathery texture, upon the leaf-stalks and succulent young shoots, with the walls of the cavity inside covered withminute white and yellow lice. 92. HiCKORY-VEIN GALL-LOUSE. Phylloxera carycBvence (Fitch). Forming plaits in the veins of the leaves, which project up from the surface in anabruptly elevated kee

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