Triaenodes morai, Holzenthal & Contents, 2004

Holzenthal, Ralph W. & Contents, Trond Andersen Table Of, 2004, The caddisfly genus Triaenodes in the Neotropics (Trichoptera: Leptoceridae), Zootaxa 511 (1), pp. 1-80 : 29

Triaenodes morai , new species

Fig. 20

As discussed above, this species is most similar to T. guadaloupe .

Adult (male: n=5). Forewing length 5.0–5.5, 5.3 mm; hind wing length 4.0–4.6, 4.3 mm. Eye 0.34–0.37, 0.35 mm wide. Antennal scape 0.37–0.39, 0.38 mm long. Maxillary palp segment lengths (in mm): 0.19–0.24, 0.21; 0.26–0.32, 0.29; 0.35–0.43, 0.39; 0.16– 0.21; 0.35–0.45. Forewing dark golden brown.

Male genitalia. Abdominal segment IX anterior margin nearly straight, slightly produced anteroventrally; pleural region membranous, heavily setose; tergum IX, in dorsal view, with posteromesal margin rounded, dorsomesal papillae not evident; sternum IX in lateral view with posterior margin sinuate. Preanal appendage setose, at least twice as long as wide, broad basally, apex rounded. Dorsomesal process of tergum X spatulate, originating medially, short, about half length of tergum X, with apical setae; tergum X, in dorsal view, with lateral margins subparallel, apex excavate medially; in lateral view, triangular, apex rounded, apicolateral margins with microtrichia. Inferior appendage rounded basally, setose, without apicoventral projection; recurved process gradually downturned, narrow, tapering throughout length, apex sharply attenuate, with subbasal flange; apicomesal lobe heavily setose, elongate, narrow, parallel sided. Phallobase small, triangular, endothecal membranes prominent, highly convoluted, with three parameres, two parameres subequal, long, curved, tapering, third paramere short, thin; phalicata troughlike, gently curved, narrow throughout length, apex very thin, acute, phallotremal sclerite not evident.

Holotype male: COSTA RICA: Alajuela: Reserva Forestal San Ramón, Río San Lorencito & tribs., 10°12’58”N, 084°36’25”W, 980 m, 6–10.iii.1991, Holzenthal, Muñoz & Huisman ( UMSP000083728 ) ( UMSP).

Paratypes: COSTA RICA: Alajuela: Reserva Forestal San Ramón, Río San Lorencito & tribs., 10°12’58”N, 084°36’25”W, 980 m, 6–10.iii.1991, Holzenthal, Muñoz & Huisman — 1 male ( UMSP) . NICARAGUA: Jinotega: Peñas Blancas , 13°17’00”N, 085°33’00”W, 1300 m, 25.vii.1997, Maes & Hernández — 3 males ( UMSP) ; Zelaya: Cerro Saslaya , 13°44’00”N, 085°01’00”W, 700 m, iv.1996, Maes & Hernandez — 1 male ( UMSP) .

Distribution. Costa Rica, Nicaragua.

Etymology. Named in honor of Mr. Victor Mora, biologist and manager of the field station at the San Ramn forest reserve, Costa Rica.

Figures

FIGURE 20. Triaenodes morai, new species. Male genitalia: A—lateral; B—dorsal; C—ventral; D—phallus, lateral.