Taxon classification Animalia Coleoptera Chrysomelidae

Cephaloleia sagittifera Uhmann, 1939 Fig. 228

Cephalolia sagittifera Uhmann 1939: 152.

Cephaloleia sagittifera Uhmann. Uhmann 1957b: 25 (catalog); Buck 1958: 146 (museum list); Gaedike and Döbler 1971: 359 (types); Staines 1997 b: 414 (Uhmann species list); McKenna and Farrell 2005: 121 (phylogeny), 2006: 10949 (phylogeny).

Description.

Elongate; ovate; subconvex; shining; yellowish-brown; head, antennae (except antennomere 1 brownish) black; elytra with black sutural marking; venter with pro-, meso-, metasterna and abdominal sternite 1 yellowish-brown medially, black laterally, sterna 3-5 yellowish-brown. Head: vertex punctate, medial sulcus absent; frons not projecting; slightly depressed between eyes. Antenna: reaches to humerus; slender; antennomere 1 slightly incrassate, 2 × length of 2; 2 subglobose, elongate; 3-5 cylindrical, subequal in length, each longer than 2; 6-10 transverse, subequal in length; 11 2 × length of 10, broadly rounded at apex; 1-2 punctate with scattered setae; 3-11 setose. Pronotum: transverse; lateral margin sinuate at base, straight after middle then rounding to anterior angle, finely margined; anterior angle rounded, not produced; posterior angle acute; anterior margin straight; disc subconvex; surface densely punctate; basal impression absent; pronotal length 0.9-1.1 mm; pronotal width 1.2-1.4 mm. Scutellum: pentagonal; impunctate. Elytron: lateral margin straight, smooth, narrowly margined; apex broadly rounded; sutural angle without tooth; humerus rounded, not produced; slightly constricted behind humerus; moderately punctate-striate, rows converge and unite apically; elytral length 3.3-3.7 mm; elytral width 1.5-1.7 mm. Venter: pro-, meso-, and metasterna impunctate medially, punctate laterally; abdominal sterna punctate, each puncture with pale seta; suture between sterna 1 and 2 obsolete medially; last sternite with apical margin emarginate medially in male, truncate in female. Leg: slender; punctate, each puncture with pale seta; tibia with fringe of setae on inner margin of apex. Total length: 4.5-5.0 mm.

Diagnosis.

This species is similar to Cephaloleia kolbei and Cephaloleia quinquemaculata . It can be distinguished by the sinuate lateral margin of the pronotum.

Distribution.

Argentina, Brazil (Santa Catharina).

Type material examined.

Holotype male: Brazil, S. Catharina, Nova Teutonia, 5.X.1932, Plaumann [printed label]/ Holotypus [red printed label]/ Cephalolia sagittifera Uh., Det. E. Uhmann (DEI).

Specimens examined.

Argentina: Misiones- Dos de Mayo, November 1989 (USNM). Brazil: Santa Catharina- Nova Teutonia, 24 September 1932, 2 September 1935, 14 November 1935, 23 November 1935, 2 October 1936, 8 October 1936, 10 October 1936, 15 October 1936, 22 October 1936 (DEI), 6 January 1938, 17 September 1938, 19 September 1938, September 1968, October 1968 (USNM), September 1976 (EGRC). Total: 41.