. 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 133 Long-tailed Mealy Bug (Pseudococcus longispinns 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 trifolii 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 133 Long-tailed Mealy Bug (Pseudococcus longispinns 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 trifolii 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 larvae 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, 1864-1927. Philadelphia : Blakiston


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919