LELUS TRATIONS: 
PLATES. 
. Page. 
«Puate XVII. Grape canes showing infestation by the grape scale, Aspidiotus 
(Diaspridiotus): wows 23-5242 £8 Sa ee 116 
XVIII. The grape scale. Fig. 1.—Showing how the young scales settle, 
more or less, in longitudinal rows. Fig. 2.—Full-grown male 
and female scales; also many parasitized individuals. Fig. 
3.—Pygidium of adult female, showing circumgenital glands 
and orifice, lobes, andspiites. <* 4... 2522-022. 22a eo eee 116 
XIX. The grape scale. Fig. 1—Adult winged male. Fig. 2.—Geni- 
talia of male. Fig. 3.—Antenna of male. Fig. 4.—Serrations 
on costal vein. Fig. 5.—Tarsus and claw of male........... = mS 
TEXT FIGURES. 
Fia. 26. The grape scale, Aspidiotus (Diaspidiotus) uve: Newly hatched larva 
and details. 2-2... eels oe ele A ee 117 
27. Cage used in rearing parasites of the grape scale ................-.-- 119 
Ly 
