. Injurious insects of the orchard, vineyard, field, garden, conservatory, household, storehouse, domestic animals, etc., with remedies for their extermination . Fig. 149.—Pupa of Broad-necked Prionus—color, yellowish-white. Fis. 150.—Broad-necked Prionus—color, brownish-black. INSECTS INPESTrNG THE GRAPK 171 These lieetles (Fig. 150) vary in leiigtli from a little over aninch fo an inch and eight lines, and are of a brownish blaekcolor ; on each side of the thorax are three teeth, the middleone the most ])rominent. There is another beetle very closely related to the abovespecies, which, like
. Injurious insects of the orchard, vineyard, field, garden, conservatory, household, storehouse, domestic animals, etc., with remedies for their extermination . Fig. 149.—Pupa of Broad-necked Prionus—color, yellowish-white. Fis. 150.—Broad-necked Prionus—color, brownish-black. INSECTS INPESTrNG THE GRAPK 171 These lieetles (Fig. 150) vary in leiigtli from a little over aninch fo an inch and eight lines, and are of a brownish blaekcolor ; on each side of the thorax are three teeth, the middleone the most ])rominent. There is another beetle very closely related to the abovespecies, which, like the latter, also infest the roots of grapeand lu)}> vines in its larva state. This is known as tlie tile-horned prionus {Pnouis imhriroiiiia). It ditfers from thebroad-necked species in having from sixteen to nineteen jointsin each antenna, whereas those of the broad-necked specieshave only twelve joints. Remedy.—Use No. 99. CHAPTER CXV. The Grape-root Louse. (Cal.)( ru-^—Planchon.) Order, Hemiptera ; ( ^^ ., . o 1 1 XT l^amilv, ApniDiD/E. Sub-order, Homopteka; \ • [A minute yellow louse, feeding upon the roots of the g
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