Journal of entomology and zoology . terscommon with Lachnus pondcrosa Williams, as will be seen in exam-ining the differences pointed out by John June Davis near the endof the article. The following description is based upon two selected individuals,a winged and an apterous viviparous female, which have been des-ignated as types. In addition to these the writer has examined 28mounted winged viviparous females and 37 mounted apterous vivi-parous females. Unless otherwise stated the descriptions will referonly to the type specimens. * This is a continuation of the series of articles entitled Aph
Journal of entomology and zoology . terscommon with Lachnus pondcrosa Williams, as will be seen in exam-ining the differences pointed out by John June Davis near the endof the article. The following description is based upon two selected individuals,a winged and an apterous viviparous female, which have been des-ignated as types. In addition to these the writer has examined 28mounted winged viviparous females and 37 mounted apterous vivi-parous females. Unless otherwise stated the descriptions will referonly to the type specimens. * This is a continuation of the series of articles entitled Aphididae of SouthernCalifornia bv the same author. JOURNAL OF ENTOMOLOGY AND ZOOLOGY 181 (Fig- 1)Winged Viviparous Female General appearance: The general appearance and shape of thebody are well shown by the photograph (Fig. 1) which illustratesespecially well the white powdery covering arranged in somewhatdefinite pattern on the dorsum. The body is rich amber-brown incolor, but cannot be seen except by removing the powdery Fig. 1—Laclnius glchnus n. sp. Photograph showing a colony on a small twig at theleft and the general appearance of the various forms at the right. (Original.) ^i%e: The size is about average of the members of the genus, thelength being mm. and the width at the bases of the cornicles, mm. Head: Considerably wider than long, dusky amber incolor with very distinct longitudinal, median suture. Eyes: Large,very dark red to ahuost black and with very small lateral tubercleat the posterior margin. Antennce: Rather short, reaching justbeyond the thorax, curving slightly toward the front when at rest; 182 JOURNAL OF ENTOMOLOGY AND ZOOLOGY dusky throughout except the base of article III, which is length of the articles of the right member are : I, mm.;IL mm.; Ill, mm.; IV, mm.; V, mm.; VI, ; total, mm. When held bent in natural position thelength from the base to the tip, measuring straight across, is 0.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectentomology, bookyear1
