. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. tion during a train wait. These larvae (fig. 2) were eating in the bases of the florets, beneath the surface of the head (fig. 3, b), and moved rapidly out of sight when disturbed. About 25 per cent of the heads examined were infested. Observed but one larva in each head. Some twenty or twenty-five heads were brought to Washington to rear the larvae. "May 25. The larvae have Left the heads and spun coarse-meshed cocoons under the muslin that covers the jar in which they had been placed (fig. 4). "On Jun
. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. tion during a train wait. These larvae (fig. 2) were eating in the bases of the florets, beneath the surface of the head (fig. 3, b), and moved rapidly out of sight when disturbed. About 25 per cent of the heads examined were infested. Observed but one larva in each head. Some twenty or twenty-five heads were brought to Washington to rear the larvae. "May 25. The larvae have Left the heads and spun coarse-meshed cocoons under the muslin that covers the jar in which they had been placed (fig. 4). "On June 1 iive adult beetles were found emerged from this material, and a sixth was nearly ready to leave the co- coon. The cocoons from which the five emerged have entirely ; On June 6 Mr. Ainslie, together with Mr. A. N. Caudell, found red clover heads, gathered from beside the electric-car line near Chevy Chase circle, north of Washington, at the District line, infested with larvae and cocoons of Phytonomus. The beetle was quite common, perhaps 20 per cent of the heads being infested by larvae. The Fig. 2.—The lesser clover-leaf weevil (Phytonomus nigrirostris): Larva, much enlarged. Natural length in- dicated by line under figure. Head and cervical shield, greatly enlarged, at left. (Original.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Bureau of Entomology. Washington : G. P. O.
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Keywords: ., bookcentury1900, bookdecade1900, booksubje, booksubjectentomology