. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. Beneficial insects; Insect pests; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS I33 Long-tailed Mealy Bug {Pseudococcus longispinus Targ.).—A small mealy coated insect, viviparous, occurring on Coleus, ferns, croton, Poinsettia and citrous plants (Fig. 81). Citrus or Greenhouse Mealy Bug {Pseudococcus citri Risso).—Ovi- parous; occurs on Coleus, ferns and citrous plants. Common (Fig. 81). Clover Root Mealy Bug {Pseudococcus trijolii Forbes).—Occurs
. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. Beneficial insects; Insect pests; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS I33 Long-tailed Mealy Bug {Pseudococcus longispinus Targ.).—A small mealy coated insect, viviparous, occurring on Coleus, ferns, croton, Poinsettia and citrous plants (Fig. 81). Citrus or Greenhouse Mealy Bug {Pseudococcus citri Risso).—Ovi- parous; occurs on Coleus, ferns and citrous plants. Common (Fig. 81). Clover Root Mealy Bug {Pseudococcus trijolii Forbes).—Occurs near the crown of second year red and white clovers in clusters, often accom- panied by ants. Two forms exist—winter females, hatched from eggs in the fall, producing larva; in the spring, some feeding on the roots and. 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 Lochhead, William, 1864-. Philadelphia, Blakiston
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
