The book Scale Insects of the Santa Cruz Peninsula was written by author Gordon Floyd Ferris Here you can read free online of Scale Insects of the Santa Cruz Peninsula book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Scale Insects of the Santa Cruz Peninsula a good or bad book?
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Eriococcus paenulatus n. Sp. Fig. 5. Type host and locality. From Artemisia californica, near Stanford University, California. Habit. Occurring on the smaller stems of the host. Sac white, smooth except for a few projecting threads of wax ; length 2. 5-3 mm. DISCUSSION OF GENERA AND SPECIES 19 Morphological characteristics. Spines rather few but present over the entire surface of the dorsum, not arranged in definite rows. The spines are of various sizes, but the largest of the marginal spines a...re scarcely or not at all larger than those of the dorsum. In form (Fig. 5) they vary from moderately to very stout and are for the most part straight or very slightly curved, slightly expanded at the base and then Fig. 5. Eriotoccus pcenulatus n. Sp. ; types of spines. tapering in a smooth curve to the bluntly rounded apex. Anal lobes weakly chitinized, each with two slender setae on the ventral side and three spines on the dorsal side, these somewhat more slender but about the same length as the largest of the body spines.
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