The Trichoptera of Panama XXIV. Fifteen new species and two new country records of the caddisfly genus Neotrichia (Trichoptera, Hydroptilidae), with a key to all known Panamanian species Author Harris, Steven C. https://orcid.org/0000-0002-6432-7462 Museo de Peces de Agua Dulce e Invertebrados, Universidad Autonoma de Chiriqui, David, Panama & Department of Biology, Pennsylvania Western University-Clarion, Clarion, PA 16214, USA Author Armitage, Brian J. https://orcid.org/0000-0003-3182-1533 Museo de Peces de Agua Dulce e Invertebrados, Universidad Autonoma de Chiriqui, David, Panama & Sistema Nacional de Investigacion de Panama (SNI), Panama, Panama tobikera89@gmail.com Author Rios Gonzalez, Tomas A. https://orcid.org/0000-0003-0590-6488 Museo de Peces de Agua Dulce e Invertebrados, Universidad Autonoma de Chiriqui, David, Panama text ZooKeys 2024 2024-01-03 1188 47 90 http://dx.doi.org/10.3897/zookeys.1188.111346 journal article http://dx.doi.org/10.3897/zookeys.1188.111346 1313-2970-1188-47 C0589D9E270749528673AC6A6E6D3C77 745B618C11F253D9AA32E48D492F12ED Neotrichia codaza sp. nov. Fig. 4 Type locality. Panama: Panama Oeste Province : Cuenca 115, Chame District, Altos de Campana NP, Rio Sajalices; PSPSCB-PNAC-C115-2018-030; 8.67625°N , 79.89748°W ; 194 m a.s.l. Type material. Holotype : ♂, Panama: Panama Oeste Province : Cuenca 115, Chame District, Altos de Campana NP, Rio Sajalices; PSPSCB-PNAC-C115-2018-030; 8.67625°N , 79.89748°W ; 194 m a.s.l.; 29.v.2018; E. Perez , C. Nieto, M. Molinar, T. Rios leg.; UV light trap; MIUP-018-T-2023 (in alcohol). Other material examined. Panama • ♂ ; Cocle Province : Cuenca 134, Penonome District , Rio Salado , Pajonal Geosite ; 8.59580°N , 80.21512°W ; 323 m a.s.l. ; 4.iv.2022 ; C. Nieto leg. ; UV light trap (in alcohol) • ♂ ; ibid., except Rio Seren ; 8.58983N , 80.21476W ; 332 m a.s.l. • 2 ♂♂ ; ibid.., except Rio Membrillo ; 8.58450°N , 80.22074°W ; 334 m a.s.l. • 17 ♂♂ ; ibid., except, Rio Marica , Pajonal Geosite , 8.55016°N , 80.23831°W ; 316 m a.s.l. • 2 ♂♂ ; Veraguas Province : Cuenca 116, Quebrada del Rosario ; 7.85826°N , 81.55764°W ; 26 m a.s.l. ; 20.i.2023 ; V. Rodriguez leg. ; UV light trap • 3 ♂♂ ; ibid., except Cuenca 132; Rio Betegui ; 8.36047°N , 80.99481°W ; 144 m a.s.l. ; 28.i.2023 ; V. Rodriguez leg. ; UV light trap. Diagnosis. Neotrichia codaza sp. nov. is a member of the N. collata group of Keth et al. (2015) based on the sclerites at the phallus apex and the projection from the subgenital plate. It is very similar to N. parany Olah & Johanson, 2011 from Peru, based on the sharing of the distinctive pair of dark spines at the phallic apex. The new species is separated by the elongate, angled inferior appendage, and the lack of a mesal process from the posterior margin of segment IX. Description. Male. Total length 1.3-1.5 mm ( n = 12), 17 antennal segments, wings and body brown in alcohol. Genitalia (Fig. 4 ). Abdominal segment VIII annular. Segment IX in lateral view with shallow dorsal and ventral emarginations posteriorly, anteriorly tapering to acute apex; dorsally and ventrally deeply incised anteriorly, shallow emarginations posteriorly. Segment X short and lobate in lateral view; in dorsal view apically truncate, flared laterally. Subgenital plate in lateral view, wide basally, abruptly tapering apically on venter forming acute spine, basal portion developed laterad, widening distally and flaplike; in ventral view, quadrate with apicomesal extension bearing stout setae laterad, lobate laterally. Bracteole in lateral view wide basally, tapering distally to rounded apex; in ventral and dorsal views short, tapering to rounded apex. Inferior appendage wide basally with long dorsal arm, narrowing and angled dorsad at midlength and bearing stout dorsal seta, widening distally to rounded apex; in ventral view wide basally, tapering distally to rounded apex, elongate dorsal arm wide at base, tapering distally to round apex. Phallus in dorsal view wide basally and apically, bearing short paramere encircling shaft at midlength, apex with pair of short dark spines; in lateral view apical spines are close together and slightly curving dorsally. Figure 4. Neotrichia codaza sp. nov., male holotype, genitalia A left lateral B ventral C dorsal D phallus, dorsal E phallus apex, left lateral. Distribution. Panama: Panama Oeste Province (Altos de Campana National Park). Etymology. The species name Neotrichia codaza (to elbow) derives from Spanish, referring to the bent inferior appendage in lateral view. The name is a noun in the nominative singular standing in apposition.