Plectropsyche Ross

Bueno-Soria, Joaquín & Barba-Alvarez, Rafael, 2015, New species of Plectropsyche Ross 1947 (Trichoptera: Hydropsychidae: Hydropsychinae), Zootaxa 4040 (4), pp. 421-432 : 431

Key for the males of extant species of the genus Plectropsyche Ross

1 Apicolateral lobes of segment X low ( Figs. 2 A, 2C, 4A, 4C).................................................. 2

1’ Apicolateral lobes of segment X produced posterad, horn-like ( Fig. 3 A).................... Plectropsyche velascoi n. sp.

2 Apical segment of each inferior appendage long and cylindrical ( Fig. 2 C).............. Plectropsyche hoogstraali Ross.

2’ Apical segment of each inferior appendage tapering to apex ( Fig. 4 C)..................... Plectropsyche wallacei n. sp.

Figures

FIGURE 2. Plectropsyche hoogstraali Ross. male and female: genitalia. 2 A – 2 D, male genitalia: 2 A, abdominal segments IX and X, dorsal; 2 B, segments IX and X, left lateral, without inferior appendages; 2 C, right inferior appendage, posteroventral; 2 D, apex of phallus, dorsal; 2 E – 2 G, female genitalia, abdominal segments IX and X: 2 E, ventral; 2 F, left lateral; 2 G, dorsal. Abbreviations: IX = abdominal segment IX; X = abdominal segment X. Material from MEXICO: Michoacán, 5 mi W of Apatzingán.

FIGURE 3. Plectropsyche velascoi n. sp., male and female genitalia. 3 A – D, male genitalia: 3 A, segments IX and X, dorsal; 3 B, segments IX and X, left lateral, without inferior appendages; 3 C, right inferior appendage, posteroventral; 3 D, phallus, apical region, dorsal. 3 E – G, female genitalia: 3 E, ventral; 3 F, left lateral; 3 G, dorsal. Abbreviations: IX = abdominal segment IX; X = abdominal segment X. Material from MEXICO: Morelos, Vicente Aranda.

FIGURE 4. Plectropsyche wallacei n. sp., male and female genitalia. 4 A – D, male genitalia: 4 A, segments IX and X, dorsal; 4 B, segments IX and X, left lateral, without inferior appendages; 4 C, right inferior appendage, posteroventral; 4 D, phallus, apical region, dorsal. 4 E – G, female genitalia: 4 E, ventral; 4 F, left lateral; 4 G, dorsal. Abreviations: IX = abdominal segment IX; X = abdominal segment X. Material from COSTA RICA: Limón, Río Barbilla.