Culex (Microculex) worontzowi Pessoa & Galvão, 1936 Culex (Microculex) worontzowi Pessoa & Galvão, 1936: 86 (♂ G, ♀, Le). Holotype in FSP-USP. Type locality: Tabatinguera, São Paulo, Brazil. Lane & Whitman 1951: 353 (♂ G, ♂, Pe, Le). Male genitalia (Fig. 3): Tergum IX lobes protruding; distance between lobes twice basal width; apex with 12–15 simple, short, straight setae spread equally on surface of lobe. Gonocoxite oblong; subapical lobe with 7 sinuous setae, 4 in apical area longer than the others, 3 short setae in basal area. Columnar process developed, glabrous; 2 strong, straight setae at apex (a and b), inserted at same level; seta b slightly longer than seta a; ventromesal surface with 4 or 5 fine, straight setae, all equal in length. Gonostylus elongate, claw-like; abruptly pointed in terminal area. Broad, leaf-like gonostylar claw with pointed apex. Aedeagus with claw-like ventral process close to apical area; dorsal and dorsolateral processes pointed. Aedeagal sclerite wide, hook-like; apical process weakly sclerotized. Tergum X with curved outline. Paraproct short with broad basal region; crown with 11 simple, curved, pointed blades. Distribution: Brazil. Material examined: 4 ♂ G. SP-VL/18; SP-EC87; SP-VL/20; SP-PR86.

Published as part of Oliveira-Christe, Rafael & Marrelli, Mauro Toledo, 2025, Descriptions of the male genitalia of species of Culex (Microculex) (Diptera: Culicidae) from the Atlantic Forest, Brazil, and a dichotomous identification key for those species, pp. 517-543 in Zootaxa 5717 (4) on page 520, DOI: 10.11646/zootaxa.5717.4.3, http://zenodo.org/record/17890931