Scale Insects of the Santa Cruz Peninsula
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In our eReader you can find the full English version of the book. Read Scale Insects of the Santa Cruz Peninsula Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Scale Insects of the Santa Cruz Peninsula
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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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To quickly assess the difficulty of the text, read a short excerpt:
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.
What to read after Scale Insects of the Santa Cruz Peninsula?
You can find similar books in the "Read Also" column, or choose other free books by Gordon Floyd Ferris to read onlineMoreLess
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