. Journal of entomology and zoology. Figure 3. Prolodiaspis ayrifolia. Male scales on the underside of an oak leaf.(Original). length is about mm. and the width mm. Some are largerand not a few considerably smaller. The mouth parts areexceedingly large for the size of the insect—the rostral loop JOURNAL OF ENTOMOLOGY AND ZOOLOGY 79 varying from one-third to nearly the full length of the l) four spiracles are plainly seen near the mouth may be several gland ojjenings near the stigmatic rudimentary antenuse are present at the anterior i^ygidium is
. Journal of entomology and zoology. Figure 3. Prolodiaspis ayrifolia. Male scales on the underside of an oak leaf.(Original). length is about mm. and the width mm. Some are largerand not a few considerably smaller. The mouth parts areexceedingly large for the size of the insect—the rostral loop JOURNAL OF ENTOMOLOGY AND ZOOLOGY 79 varying from one-third to nearly the full length of the l) four spiracles are plainly seen near the mouth may be several gland ojjenings near the stigmatic rudimentary antenuse are present at the anterior i^ygidium is rather wide and regularly rounded. There areno distinct lobes in the mature forms, though the margin maybe uneven. (Fig. 3, A). In some of the cast skins of the young. Figure 3. Anatomical characters of Protodinspis agrifoVm. A, pygiiliimi of maturefemale; B, pygidium of cast skin of an immature female; C, antennaof young; D, outline of body of mature female. (Original). (the bodies could not be obtained) the pj-gidium is distinctlylobed. (Fig. 3, B). There are two median lobes, two distinctsecond ]oI)es and three other jirojections or rudimentary speaking of these Prof. Coleman writes, I cannot think,however, that it is P. parvula, as according to Cockerells de-scription of that species it is very small, about mm., whilethis is mm. or more; also he says parvula has four verylow rounded lobes, wliile this has four—the middle of which arebroad and rather prominent—the first laterals are rather long, 80 JOUKNAL OF ENTOMOLOGY AND ZOOLOGY curve inward on the inner margin and are notclied on the outer,and I make out also a third small pointed lobe a little distancefrom these on either side. P. parvnla he says has no spine-likeplates
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