Cacopsylla chinensis

Adult: Head strongly inclined from longitudinal body axis, about as wide as mesoscutum. Vertex yellow, discal foveae dark brown, concave area around discal foveae with dark brown marking that varies among individuals. Genal processes cone-shaped, moderately divergent and subacute apically, about as long as vertex along median suture, covered with long setae. Antenna light yellow, apices of segments IV–VIII brown, segments IX–X entirely black; two rhinaria on segment X, the longer one about 1.5 times as long as the shorter one, about half as long as antennal segment X. Fore wing transparent and colourless, veins dark brown, C+Sc and pterostigma yellowish brown, marking near apex of claval suture dark brown and relatively small; surface spinules present in all cells, leaving wide spinule-free stripes along veins, fields narrowing along wing margin in cells r1, r2, m1, m2 and cu1. Legs: dorsal surface of mesotibia with 2 long capitate setae; dorsal surface of metatibia with 1 long and 1 short capitate seta. Abdomen: proctiger weakly concave dorsally, covered with setae of varying length; subgenital plate covered with short setae on ventral surface, with several peg setae at subapex. Summer form: general colour green to yellow; fore wing more or less yellowish, veins yellow, without marking near apex of claval suture. Winter form: body brown with dark pattern occupying large areas; antenna yellowish brown, apices of segments IV–VII dark brown, segments VIII–X entirely black; abdomen including male and female terminalia dark brown.

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