. Manual of vegetable-garden insects. LES 309 the foliage of beans, beets, alfalfa, vetch, oats and beetles appear at irregular intervals, some years beingvery rare. In the northern part of their range, they may beexpected from the middle of June to the last of July and some-times continue until fall. The Spotted Blister-Beetle Epicaula maculata Say The spotted blister-beetle (Fig. 190) is ^ inch or less inlength, light gray in color with the wing-covers marked withnumerous small round black spots wherethe pubescence is lacking. This blister-beetle ranges from western Canadasouthwar
. Manual of vegetable-garden insects. LES 309 the foliage of beans, beets, alfalfa, vetch, oats and beetles appear at irregular intervals, some years beingvery rare. In the northern part of their range, they may beexpected from the middle of June to the last of July and some-times continue until fall. The Spotted Blister-Beetle Epicaula maculata Say The spotted blister-beetle (Fig. 190) is ^ inch or less inlength, light gray in color with the wing-covers marked withnumerous small round black spots wherethe pubescence is lacking. This blister-beetle ranges from western Canadasouthward through Montana, SouthDakota, Kansas, Nebraska and Okla-homa to New Mexico and westward toWashington, Oregon and California eastof the Cascade Mountains. The beetlesattack potato, bean, beet, cabbage,spinach, alfalfa and clover. They havealso been recorded as feeding on lambsquarters and grease-wood. In BritishColumbia the beetles are abundant fromthe middle of May till the middle ofAugust. The early stages have not been Fi<;. 190. — Theblister-beetle ( .s|j()ttedX3). The Two-Spotted Blister-Beetle Macrobasis albida Say This beetle (Fig. 191) is nearly an inch in length, uniform lightgray, with two elongate black spots on the prothorax. Thebasal part of the antennae is yellowish or reddish. This speciesranges from Kansas to Texas and westward to Arizona. It 310 MANUAL OF VEGETABLE-GARDEN INSECTS has been reported as injurious to potato, tomato, pea and sugar-beet. A closely related species, Macrobasis longicollls Leconte(Fig. 192), lacking the two black spots on the prothorax, has
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