Three Pink and Green Aphids of the Rose (Classic Reprint) - Tapa dura

Sinopsis

Excerpt from Three Pink and Green Aphids of the Rose

Alate viviparous female: General color polished rose red or green. Beak short and stout. Antennae black, so heavily pigmented that it is difficult to prepare a mount which Shows the distribution of the sensoria; III with 14 more or fewer sen soria In a row extending usually about five-sixths its length; IV without sensoria; the relative lengths of segments III to VI may be indicated; 13, II, 8, Fore wing with veins slender and about uniform. Second joint of Ist' tarsus exclud ing claw about three-fourths length of base of VI. Cornicle deep black, usually not much Shorter than III or anal vein of fore wing, though considerable variation is possible, and reticu lated for about one-fifth' its length. Cauda yellowish.

Apterous vivip-arons female: General color same as in the alate female, both color varieties being common. Antenna with Single row of sensoria extending about half the length of III, sometimes farther. (see also remarks on reared individuals p.

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