Insect pests of farm, garden and orchard . ates. The beetle is a handsome little crcniture about one-quarterinch long, blue-black in coloi, witii red thorax, and dark bluewing-covers, marked with lemon-yellow and with reddish markings of the wing-covers are quite variable, the light color * Crioceris nf^paragi Linn. Family Chrysomelida. See F. H. Chittenden,Yearl)Ook, U. S. Dept. Agr., lS9t). p. 341; Bulletin 66, Bureau of Ent., , 1)3, and Circular 102, Ibid. MISCELLANEOUS GARDEN INSECTS 425 sometimes forming submargiiial spots, while in other specimens itbecomes so diffused as
Insect pests of farm, garden and orchard . ates. The beetle is a handsome little crcniture about one-quarterinch long, blue-black in coloi, witii red thorax, and dark bluewing-covers, marked with lemon-yellow and with reddish markings of the wing-covers are quite variable, the light color * Crioceris nf^paragi Linn. Family Chrysomelida. See F. H. Chittenden,Yearl)Ook, U. S. Dept. Agr., lS9t). p. 341; Bulletin 66, Bureau of Ent., , 1)3, and Circular 102, Ibid. MISCELLANEOUS GARDEN INSECTS 425 sometimes forming submargiiial spots, while in other specimens itbecomes so diffused as to form the principal color of the wing-covers. Both adults and larvte feed upon the tender asparagus shootsin the spring and later attack the fruiting plants. Their attacksrender the shoots unfit for market and in many cases their injuryhas been so severe as to make it extremely difficult to estal)lishnew beds. Life History.—The beetles hibernate over winter under what-ever rubbish or shelter may be available near the asparagus Fig. 305.—The asparagus-beetle (Crioceris uaparcuji Linn.): eggs, larva, andbeetle—all much enlarged. ( by W. E. Britton.) About the season that cutting asparagus for market commencesthey appear and lay the eggs for the first new brood. The egg isdark brown, oval, nearly one-sixteenth of an inch long and is laidon end. The eggs are deposited upon the stems or foliage, usuallytwo to seven or more in a row. They hatch in from three to eightdays. The young larvae at once commence to attack the tendershoots, and later in the season feed upon the foliage. They becomefull grown in from ten days to two weeks. The full grown larva, asshown in the illustration, is about one-third of an inch long, soft 426 INSECT PESTS OF FARM, GARDEN AND ORCHARD and fleshy, much wrinkled, and of a dark gray or olive color,with black head and legs. The mature larva drops to the groundand just beneath the surface forms a little rounded earth-coveredcocoon wit
Size: 2006px × 1246px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublisheretcet, bookyear1912
