Cyrnellus rianus Flint 1983

Rueda Martín, Paola A., Gibon, Francois-Marie & Sganga, Julieta V., 2021, New species and records of the Neotropical genus Cyrnellus (Trichoptera: Polycentropodidae) and the re-establishment of C. minimus and C. marginalis, Zootaxa 5082 (1), pp. 15-29 : 22

Cyrnellus rianus Flint 1983

Figs 4E–4H

Cyrnellus rianus Flint 1983: 33 (original description); Angrisano 1994: 138 (distribution); Angrisano & Sganga 2007: 18 (male redescribed; distribution); Holzenthal & Calor 2017: 420 (catalogue).

Material examined. BOLIVIA: Río Itenez , Versalles, 12°39’42’’S, 63°22’21’’W, 04.v.2006, F.-M. Gibon, 1 male (IBN) .

Distribution. Cyrnellus rianus is recorded for the first time from Bolivia. Argentina, Bolivia new record, Uruguay, Brazil.

Figures

FIGURE 4. Cyrnellus spp., male genitalia. 4A–4D, Cyrnellus minimus Banks 1913: 4A, left lateral; 4B, right inferior appendage, ventral; 4C, phallus, left lateral; 4D, phallus, dorsal. 4E–4H, Cyrnellus rianus Flint 1983: 4E, left lateral; 4F, right inferior appendage, ventral; 4G, dorsal phallic sclerite, left lateral; 4H, dorsal phallic sclerite, dorsal. ap = apex of an inferior appendage; as = subapicomesal spine; dlp = dorsolateral process; ds = dorsal sclerite; ia = inferior appendage; iap = intermediate appendage; ix = sternite IX; mlp = mesolateral process; mvp = mesoventral process.