. A manual of dangerous insects likely to be introduced in the United States through importations. Leitfaden der Forstinsektenkunde, 2d ed., 1913, pp. 415-419,figs. 347-351. Thecodiplosls brachyntera Schwiiger. (Pine Needle Midge. Itonididse [Cecidomyidse]; Diptera.) Hosts: Pinus silvestris, P. laricio, P. Jnontana. Injury: Breeds in the needles, forming a small gall-like swelling. Description and injury: Fly wery small. Larva yellowish. Egg laid between thebases of two needles. Distribution: , P. Handbuch der Pflanzenkrankheiten, 3d ed., 1913, vol. 3, p. 444. D. OTHER INSECTS AT
. A manual of dangerous insects likely to be introduced in the United States through importations. Leitfaden der Forstinsektenkunde, 2d ed., 1913, pp. 415-419,figs. 347-351. Thecodiplosls brachyntera Schwiiger. (Pine Needle Midge. Itonididse [Cecidomyidse]; Diptera.) Hosts: Pinus silvestris, P. laricio, P. Jnontana. Injury: Breeds in the needles, forming a small gall-like swelling. Description and injury: Fly wery small. Larva yellowish. Egg laid between thebases of two needles. Distribution: , P. Handbuch der Pflanzenkrankheiten, 3d ed., 1913, vol. 3, p. 444. D. OTHER INSECTS ATTACKING PINE (PINUS). : Lachnus pini Linnaeus L. tomentosus DeGeer, L. tseniatus Koch, L. nudus DeGeer, and L. agilisKaltenbach, plant lice; Europe; attack needles, tender growth and twigs. Coccidae: Armored—Aspidiotus (Aonidia) lauri Bouche; Italy; Pinus. Aspidiotus (Aonidia) pinicola Leonardi; Cyprus, Spain; Pinus halepensis, P. austriaca Lindinger; Australia; Pinus laricio nigricans. U. S. Dept. of Agriculture, Manual of Dangerous Insects. Plate XI. ^^r
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