Stymphalus rubrolineatus (Stål)

Figs 11–19, 32.

Platymetopius rubrolineatus Stål, 1855: 99 . Type, NATAL [Naturhistoriska Riksmuseet, Stockholm, not examined].

Stymphalus rubrolineatus: Stål, 1866:121, generic placement; Theron 1980: 289 –290.

Yellowish green. Vertex with two black apical dots, apical part with a red band along each margin, basal part with a red band bordering each eye. Face with red median tinge on frontoclypeus, upper part of frontoclypeus brownish with pale stripe. Genae with two red transverse bands. Pronotum with four, scutellum with two red longitudinal bands. Clavus with one, corium with two (often broken) red longitudinal bands. Apical part of front wing brownish, a black stripe bordering lower cross vein of third apical cell.

Vertex of head sharply triangular, variable in length shorter in male than in female.

Male genitalia: Pygophore short and broad, lobes reduced. Subgenital plate triangular, mactrosetae multiseriate. Style elongate, apophysis truncate, expanded apically. Aedeagus simple, short, tubular, with slender dorsal apodeme and fused with connective, gonopore large apical.

Material examined: 1ɗ, ANGOLA: Malange, Cacuse, 16–23.vi.1971, J.A.Quartau, B.M. 1974­319, Stymphalus rubrolineatus Stål, det. M.D. Webb (BMNH).

Remarks: S. rubrolineatus can be recognized at once by the narrow and more elongate head with incurved lateral margins, in addition to the male genitalia structures mentioned in the generic remarks.