Callibaetis willineri Navás, 1933

Cruz, Paulo Vilela, Salles, Frederico Falcão & Hamada, Neusa, 2013, Callibaetis Eaton (Ephemeroptera: Baetidae) from Brazil, Journal of Natural History (J. Nat. Hist.) 48 (11 - 12), pp. 591-660 : 653

Callibaetis willineri Navás

Callibaetis willineri Navás, 1933 ; Gillies, 1990; Domínguez et al., 2006; Nieto, 2008, p. 240.

Callibaetis alegre Traver, 1944, p. 46 .

Known stages: I ♀ ♂, N

Diagnosis

Male imago. (1) Wings hyaline; (2) marginal intercalary veins paired; (3) costal process of hind wing rounded; (4) abdominal sterna with one blackish mark anterolaterally.

Female imago. (1) Forewing hyaline, except C, Sc, R 1 areas, pigmentation near or touch R 2 (fig. 73 in Nieto 2008); (2) marginal intercalary veins paired (fig. 73 in Nieto 2008); (3) costal process of hind wing rounded (fig. 74b in Nieto 2008); (4) abdominal sterna covered with red spots.

Mature nymph. (1) Distal margin of labrum with small, subquadrangular medial emargination (fig. 76a in Nieto 2008); (2) distal margin of labrum with simple spine-like setae (fig. 76b in Nieto 2008); (3) maxillary palp subequal in length to galealacinia (fig. 80 in Nieto 2008); (4) glossa subequal in length than paraglossa; (5) trifid spine-like setae near ventral margin of forefemur; (6) cerci with short spines on all segments (Figure 87 in Nieto 2008); (7) terminal filament with spines on all segments.

Material examined

No types or specimens were examined; the diagnosis was based on the literature.

Distribution

Argentina, Uruguay and Brazil: Rio Grande do Sul state, Porto Alegre county.