New species of Plectropsyche Ross 1947 (Trichoptera: Hydropsychidae: Hydropsychinae) Author Bueno-Soria, Joaquín Author Barba-Alvarez, Rafael text Zootaxa 2015 4040 4 421 432 journal article 10.11646/zootaxa.4040.4.2 d6151d28-9c2b-474e-905c-11b29b2ee9f9 1175-5326 239671 B50C1290-A6F7-461E-AC0F-F490F26E9780 Plectropsyche wallacei , n. sp. Figs. 4 , 5 Diagnosis. Plectropsyche wallacei n. sp. can be separated from the other species of the genus by the cone-shaped apical segment of each inferior appendage in posteroventral view, by the elongate shape of the setose warts of segment X in lateral view, and by the long truncate posterolateral lobe on each side of segment IX tapering dorsally in lateral view ( Fig. 4 ). Adult male. Length of each forewing 6–7 mm (n = 8). Color of pinned specimen light brown, without any marked pattern. Male genitalia: Abdominal segment IX in dorsal view produced into two widely separated lobes, each bearing three or more long setae; in lateral view posterolateral margin produced into truncate lobe tapering dorsally, with row of long setae. Segment X in dorsal view with posterior margin slightly concave at center, flanked on each side by large, spinose lobe, each with lateral, setose wart; in lateral view slightly produced posterad with preapical, elongate setose wart and short, setose lobe apically. Inferior appendages in posteroventral view nearly straight, each basal segment with scoop-like basal portion, slightly narrowed beyond base and widened again near apex, bearing several long setae near apex; apical segment tapering to apex, less than one-half length of basal segment. Phallus in dorsal view gradually constricted apically to narrow neck, beyond which apical region enlarged suddenly to form pair of separated, scoop-like apicolateral valves. Adult female. Length of each forewing 6–7 mm (n = 5). Color in alcohol light brown. Female genitalia in ventral view with segment IX+X with complex internal membranous structures with vaginal opening at center and with two or more rectangular plates and with pair of rounded bag-like structures situated basally; segment X with pair of lateral, setose warts, each wart with pair of finger-like lobes underneath cluster of hair-like spines; in lateral view with three pairs of finger-like lobes setose basally, in dorsal aspect fused segment IX+X with dorsal cap covered by two large plates bearing minute setae not divided in center, inferior appendage receptacles large, situated at midlength of segment Holotype male: COSTA RICA : Limón : Río Barbilla, ca. 8 km W B-Line, 10.067ºN , 83.369ºW , 31.i.1986 , elev. 30 m , Holzenthal, Morse, Fasth (UMSP). Paratypes : COSTA RICA : Limón : Same data as holotype , 2 females pinned, 1 male 4 females alcohol (UMSP); Río Banano, 16 km WSW Bomba, 09.888ºN , 083.167ºW , 26.iii.1987 , elev. 150 m , Holzenthal, Hamilton, Heyn, 1 male 1 female pinned (UMSP); Río Uatsi, ca. 8 km (air) W Bribri, 09.62ºN , 082.90ºW , 25.iii.1987 , elev. 60 m , Holzenthal, Hamilton, Heyn, 1 male 1 female pinned, 1 male 5 females alcohol (UMSP); Río Telire and small trib., SE Suretka, 09.554ºN , 082.892ºW , 01.ii.1986 , elev. 48 m , Holzenthal, Morse, Fasth, 1 female pinned, 2 females alcohol (UMSP); E.A.R.T.H., Río Destierro, Pozo Azul, 10.208ºN , 083.574ºW , 27.vi.1992 , elev. 15 m , Fdo. Muñoz, 1 male 3 females pinned (UMSP); E.A.R.T.H., Río Dos Novillos, 10.220ºN , 083.591ºW , 03.ii.1992 , elev. 20 m , Holzenthal, Muñoz, Kjer, 2 females pinned (UMSP); same, but 26.vi.1992 , elev. 20 m , Fdo. Muñoz, 1 female pinned (UMSP); E.A.R.T.H., Río Parismina, 10.248ºN , 083.570ºW , 04.ii.1992 , elev. 5 m , Holzenthal, Muñoz, Kjer, 1 female pinned (UMSP); Reserva Biol. Hitoy-Cerere, Río Cerere, 09.671ºN , 083.028ºW , 23– 24.iii.1987 , elev. 90 m , Holzenthal, Hamilton, Heyn, 1 male pinned, 2 males 1 female alcohol (UMSP); same, but, ??. xii.1990 , F. Muñoz, 1 male alcohol (UMSP). Guanacaste : Las Canas, Río Coribici, 26.viii.1967 , O.S. Flint Jr., 21 males 25 females pinned, 26 males 6 females alcohol (NMNH); Río La Vieja nr. Lagarto, 02–03.vii.1967 , Flint, Ortiz, 12 males 11 females pinned, 2 males 1 female alcohol (NMNH); Hacienda Tempisquito (Pelón de la Altura), 1 km NE km 265 Rt.1, 10.84ºN , 085.56ºW , 18.vii.1987 , elev. 100 m , Holzenthal, Morse, Clausen, 2 males 1 female pinned, 1 male 4 females alcohol (UMSP); Río Tizate, 7.2 km NE Canas Dulces, 10.773ºN , 085.449ºW , 28.vi.1986 , elev. 275 m , Holzenthal, Heyn, Armitage, 15 males 64 females alcohol (UMSP); Río Mena, 4.2 km W Santa Cecilia, 11.059ºN , 085.448ºW , 11.iii.1986 , elev. 260 m , Holzenthal, Fasth, 2 males pinned, 5 males 5 females alcohol (UMSP); Parque Nacional Guanacaste, Maritza, Río Tempisquito, 10.958°N , 085.497°W , 17–18.vi.1988 , elev. 550 m , C.M. & O.S. Flint, Holzenthal, 11 females pinned (NMNH); same, but 19–20.vii.1987 , Holzenthal, Morse, Clausen, 1 female pinned. (UMSP); Río Tempisquito, ca. 3 km S Route 1, 10.790ºN , 085.552ºW , 06.iii.1986 , elev. 75 m , Holzenthal, Fasth, 1 male 2 females pinned, 5 males 5 females alcohol (UMSP); Parque Nacional Guanacaste, El Hacha, Queb. Pedregal, 10.983ºN , 085.539ºW , 27.vii.1987 , elev. 300 m , Holzenthal, Morse, Clausen, 1 male 1 female pinned (UMSP); Parque Nacional Santa Rosa, Río Cuajiniquil, 10.881ºN , 85.613ºW , 25.vii.1987 , elev. 250 m , Holzenthal, Morse, Clausen, 1 female pinned (UMSP). Heredia : Río Bijagual on road to Magsasay, 10.408ºN , 084.076ºW , 12.ii.1986 , elev. 140 m , Holzenthal, Morse, Fasth, 2 males 2 females pinned, 13 males 47 females alcohol (UMSP); Río Bijagual, 3.5 km S Chilamata, 10.436ºN , 084.060ºW , 1.vii.1992 , elev. 40 m , Fdo. Muñoz, 2 males pinned (UMSP); Quebrada Ceiba, 6 km E Cháves, 10.382ºN , 083.922ºW , 02.vii.1992 , elev. 50 m , Fdo. Muñoz, 1 male 2 females pinned (UMSP); Río Sarapiquí, 300 m S Chilamata, 10.451ºN , 084.064ºW , 30.vi.1992 , elev. 40 m , Fdo. Muñoz, 6 females pinned (UMSP); Río Sarapiquí, 7 km W Puerto Viejo, 10.452ºN , 084.067ºW , 11.ii.1986 , elev. 50 m , Morse, Fasth, 1 female pinned, 9 males 240 females alcohol (UMSP); P.N. Braulio Carrillo, Est. Magsasay, Río Peje, 10.402ºN , 084.050ºW , 25–26.viii.1990 , elev. 130 m , Holzenthal, Blahnik, Huisman, 2 females pinned, 2 males 28 females alcohol (UMSP); Est. Biol. La Selva, Quebrada Sura, 10.439ºN , 084.010ºW , 20–21.vi.1986 , elev. 50 m , Holzenthal, Heyn, Armitage, 2 females pinned, 5 females alcohol (UMSP); Est. Bíol. La Selva, Río Puerto Viejo, 10.440ºN , 084.012ºW , 10.ix.1986 , elev. 30 m , Chavarria, 1 male pinned (UMSP); same, but 19.vi.1986 , Holzenthal, Heyn, Armitage, 15 females alcohol (UMSP): La Selva Field Sta., near Puerto Viejo, 21–28.iii.1988 , W.E. Steiner, J.M. Hill, J.M. Swearingen, J. M. Mitchell, 13 females pinned (NMNH); 10 mi NW Liberia , 25.vii.1965 , P.J. Spangler, 1 male 6 females pinned, 3 females alcohol (NMNH). Puntarenas : Pacuare, Río General, 1.vii.1967 , Flint, Ortiz, 1 male 1 female pinned (NMNH); same, but P.J. Spangler, 1 female alcohol (NMNH); Reserva Biológica Carara, Quebrada Bonita, 09.775ºN , 084.605ºW , 11.iii.1991 , elev. 35 m , Holzenthal, Muñoz, Huisman, 1 male pinned (UMSP); Río Ceibo, Route 2, ca. 6 km W road to Buenos Aires, 09.149ºN , 083.577ºW , 20.ii.1986 , elev. 250 m , Holzenthal, Morse, Fasth, 1 male 1 female pinned, 10 females alcohol (UMSP). San José : Res. Biól. Carara, Río Carara in Carara, 09.778ºN , 084.531ºW , 14.iii.1991 , elev. 200 m , Holzenthal, Muñoz, Huisman, (voucher specimen) PLI-Kjer DNA, 1 male 2 females pinned (UMSP); Res. Biol. Carara, Río del Sur, 1.5 km (rd.) S of Carara, 09.769ºN , 084.531ºW , 13.iii.1991 , elev. 160 m , Holzenthal, Muñoz, Huisman, 2 females alcohol (UMSP). PANAMA : Veraguas : Río Jorones, 05.vi.1983 , P.J. Spangler, R.A. Faitoute, W.E. Steiner, 3 males 1 female alcohol (NMNH). Cocle : El Valle, 25.v.1983 , elev. 829 m , P.J. Spangler, R.A. Faitoute, W.E. Steiner, 1 male pinned (NMNH). Canal Zone : Gamboa, Pipeline Rd., ??. vii.1967 , W.W. Wirth, 1 male alcohol (NMNH); Río Agua Salud, 30.iii.1965 , S.S. & W.D. Duckworth, 3 males 1 female pinned, 4 males 6 females alcohol (NMNH); same, but 08–12.vii.1967 , Flint, Ortiz, 21 females pinned, 2 females alcohol (NMNH). Chiriquí : David ( 3 km N), Rio Majagua at Balneario Majagua, 31.v.1983 , P.J. Spangler, R.A. Faitoute, W.R. Steiner, 2 males 15 females pinned (NMNH). San Blas : Río Carti Grande near coast, 02.iii.1985 , Flint & Louton, 4 females pinned (NMNH); Río Canita near Canita, 24.ii.1985 , Flint & Louton, 17 females pinned (NMNH). Etymology. The specific epithet is in honor of Alfred Russell Wallace, for his great contributions to the theories of evolution and biogeography. Distribution. Costa Rica , Panamá .