. Bug vs. bug: nature's method of controlling injurious species. Insects; Insects, Injurious and beneficial. FIG Cryptokumus inontrouzeri. eiihirge<l. Hyperaspis lateralis, Mulsant. This is one of our native ladybirds and is very generally distributed over the State. It is a small, black ladybird, with two reddish-yellow spots on the elytra, near the apex, two spots on the disc, and two blotches of the same color on the for- ward lateral margins. Forehead and edge of thorax yellow. Feeds on pernicious scale in the adult form. Cypress trees {Cupressus macro- carpa) in the suburbs of San Fran
. Bug vs. bug: nature's method of controlling injurious species. Insects; Insects, Injurious and beneficial. FIG Cryptokumus inontrouzeri. eiihirge<l. Hyperaspis lateralis, Mulsant. This is one of our native ladybirds and is very generally distributed over the State. It is a small, black ladybird, with two reddish-yellow spots on the elytra, near the apex, two spots on the disc, and two blotches of the same color on the for- ward lateral margins. Forehead and edge of thorax yellow. Feeds on pernicious scale in the adult form. Cypress trees {Cupressus macro- carpa) in the suburbs of San Francisco that were seriously infested with the cypress mealy bug {Pseudococcus [Dactylopius] ryani) were cleared of the pest by this ladybird. The larvae of this species are covered with a cottony secretion and resemble mealy bugs. Exoehomus pilati, Mulsant. (Fig. 6.) This is ano common native ladybirds. It resembles in general appearance the twice-stabbed lady- bird (CJiiloconis [hiv'ulnerus] f rat emus), but is much larger. It also differs from the latter in having the under side of the ex- tremity of the abdomen black, instead of red. The larvae resemble the twice-stabbed, but are larger and lighter-colored. Both the larva and beetle feed upon young black scale, but the\ very rapidly. ther of our verv. FIG. c. do not Chiloeopus (bivulnerus) fraternus (Twice-stabbed ladybird). (Plate III, Figs. 3, 3a.) This is one of our most important native ladybirds. The larvai are most voracious, and destroy great numbers of young i)lack, pernicious, and other scales. The younir are long and covered. 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 Isaac, John; California. State Commission of Horticulture. Sacramento, W. W. Shannon, Supt. State Printing
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsects, bookyear1906
