Eumyzus, Paramyzus, Macromyzus, Sitomyzus, Micromyzus, and Micromyzodium of Japan (Homoptera : Aphididae)

EumYZU8 gallicola, ll.sp.Apterous viviparous female: Different from the genotype, E. impatiensae (Shinji) as follows: Head covered with prominent granules on dorsum and venter, which are mostly in rows and wanting around each posterior spinal seta; with 2 pairs of ventral setae; setae shorter, 1.2-1.4times as long as diameter of constricted base of 3rd antennal segment.Antennal tubercles with 3 or 4 ventral setae, frontal tubercles (anterior ends of antennal tubercles) less developed, diverging.Antennae shorter, slightly longer than half body length, 1st segment shorter, with 4 setae, 2nd with 3; 3rd imbricated throughout, not swollen near basal part, with about 6 setae which are shorter than basal diameter of segment and about half as long as middle diameter of it; 4th sometimes fused with 3rd, relative length of segments about as follows: 1I1-17, IV-8, V-7, VI-5+13.Ultimate segment of rostrum shorter, slightly longer than basal part of 6th antennal segment, subequal in length to 2nd segment of hind tarsus, over twice as long as wide at middle, without secondary setae.Cornicles pale, dark at apex, shorter, subequal to or a little shorter than cauda, as long as, or shorter than, distance between 6th and 7th abdominal spiracles, 2.5-2.7 times as long as middle diameter, not broadened basally, with smaller flange.Cauda distinctly longer than wide, with 4 or 5 setae.Femora stouter, tarsi with 3,2,2 setae on 1st segments, 2nd segment with a pair of secondary setae on upper side.Abdomen with about 16-19 dorsal setae including marginal ones on anterior 5 segments, 8 dorsal setae on 6th, 6 on 7th, 2 on 8th; these setae shorter, twice as long as diameter of constricted base of 3rd antennal segment on anterior part of abdomen, but about 2.5-2.7 times as that diameter on 8th tergite; marginal sclerites absent on 6th, very small and fused with spiracular plates on 7th; 8th faintly sclerotized on dorsum; tubercles at bases of dorsal setae less developed, slightly sclerotic, much smaller in diameter than base of cornicle, present only at bases of 4 or 5 setae on median area of each abdominal segment, with a seta.Distance between 6th and 7th abdominal spiracles nearly as long as that between 5th and 6th.Mesosternal furca longer, separated.Body 1.9 mm. in length.