Triaenodes
Creators: name: Holzenthal, Ralph W.
name: Contents, Trond Andersen Table Of
Publisher: name: Zenodo
Year: 2004
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Trichoptera
Leptoceridae
Triaenodes

description: Key to males of Neotropical Triaenodes
1. Inferior appendage with apicoventral projection (Fig. 5A).................................... 2 Inferior appendage without apicoventral projection (Fig. 14A)........................... 20
2(1). Dorsomesal process of tergum X digitate (Fig. 6A), spatulate (Fig. 14A), conical (Fig. 5A), or a small setose protuberance (Fig. 29A) ............................................. 3 Dorsomesal process of tergum X bifid (Figs. 8A–B, 9A–B) or completely divided (Fig. 17A–B)......................................................................................................... 18
3(2). Apex of tergum X, in dorsal view, rounded (Fig. 5B), truncate (Fig. 28B), or excavated medially (Figs. 7B, 8B)................................................................................. 4 Apex of tergum X,in dorsal view, narrow, attenuate, upturned (Figs. 21A, 26A, 29A) .............................................................................................................................. 15
4(3). Dorsomesal process of tergum X digitate............................................................... 5 Dorsomesal process of tergum X conical (Fig. 5) ......... Triaenodes abruptus Flint
5(4). Apex of tergum X shallowly (Figs. 6B, 7B) or deeply excavate medially (Figs. 8B, 9B) .......................................................................................................................... 6 Apex of tergum X rounded (Fig. 5B) or truncate medially (Fig. 28B) .............. 11
6(5). Apex of tergum X shallowly excavate medially (Figs. 6B, 7B)............................. 7 Apex of tergum X deeply excavate medially (Fig. 27)......... Triaenodes tico n. sp.
7(6). Segment X with lateral flange (Figs. 6A, 13A) ..................................................... 8 Segment X without lateral flange (Fig. 15) ................... Triaenodes hodgesi n. sp.
8(7). Recurved process of inferior appendage narrow, tapering throughout its length (Fig. 5A); without subapicoventral projection; dorsomesal process of tergum X long (Fig. 7A) ........................................................................................................ 9 Recurved process of inferior appendage broad, flat along most of its length, with subapicoventral projection; dorsomesal process of tergum X short (Fig. 6) ............ ..................................................................................... Triaenodes acanthus n. sp.
9(8). Dorsomesal process of tergum X less than or about half length of tergum X; apex of phalicata without cleft, acute (Figs. 11, 12) ........... Triaenodes delicatus Navás Dorsomesal process of tergum X extending to or beyond apex of tergum X (Figs. 7A, 13A); apex of phalicata with cleft.................................................................. 10
10(9). Phalicata straight; apex of phalicata with broad cleft, apicolateral projections bifid (Fig. 13) ...................................................................... Triaenodes flintorum n. sp. Phalicata curved; apex of phalicata with deep narrow cleft (Fig. 7) ........................ ..................................................................................... Triaenodes anomalus Flint
11(5). Segment X with lateral flange (Fig. 18A, B); dorsomesal process of tergum X long (Fig. 10A) ............................................................................................................. 12 Segment X without lateral flange; dorsomesal process of tergum X short (Fig. 23) ....................................................................... Triaenodes peruanus Flint & Reyes 12(11). Parameres deeply bifid (Fig. 28) ................................ Triaenodes tuxtlensis n. sp. Parameres not deeply bifid (Figs. 11D, 18D) ....................................................... 13
13(12). Dorsomesal process of tergum X less than or about half length of tergum X ...... 14 Dorsomesal process of tergum X extending beyond apex of tergum X (Fig. 10) .... ............................................................................... Triaenodes cuyotenango n. sp.
14(13). Phalicata straight; apex of phalicata with broad cleft, apicolateral projections bifid (Fig. 18) .................................................................... Triaenodes mexicanus n. sp. Phalicata curved; apex of phalicata without cleft, acute (Figs. 11, 12) .................... .................................................................................... Triaenodes delicatus Navás
15(3). Dorsomesal process of tergum X digitate............................................................. 16 Dorsomesal process of tergum X a small setose protuberance (Fig. 29).................. ......................................................................................... Triaenodes woldai n. sp.
16(15). Segment X with lateral flange; recurved process of inferior appendage narrow, tapering throughout its length; dorsomesal process of tergum X less than or about half length of tergum X......................................................................................... 17 Segment X without lateral flange; recurved process of inferior appendage broad, flat along most of its length; dorsomesal process of tergum X extending to or beyond apex of tergum X (Fig. 21)...................... Triaenodes nicaraguensis n. sp.
17(16). Basolateral margins of segment X broad, expanded laterally; dorsomesal process of tergum X short; phalicata straight (Fig. 24) ..................... Triaenodes tajo n. sp. Basolateral margins of segment X not expanded, base of segment X more parallel sided; dorsomesal process of tergum X long; phalicata curved (Figs. 11, 12) ......... .................................................................................... Triaenodes delicatus Navás
18(2). Dorsomesal process of tergum X bifid, but not completely divided to base; phalicata straight........................................................................................................... 19 Dorsomesal process of tergum X completely divided to base; phalicata curved (Fig. 17) ......................................................................... Triaenodes kilambe n. sp.
19(18). Dorsomesal process of tergum X with apical setae, but not on papillate processes; preanal appendage broad basally, long, at least twice as long as wide; phalicata narrow (Fig. 9) .............................................................. Triaenodes clauseni n. sp. Dorsomesal process of tergum X with apical setae on papillate processes; preanal appendage constricted basally, short, about as long as wide; phalicata wide (Fig. 8) ....................................................................................... Triaenodes chirripo n. sp.
20(1). Dorsomesal process of tergum X digitate or spatulate; apex of apicomesal lobe of inferior appendage not curved caudad.................................................................. 21 Dorsomesal process of tergum X bifid; apex of apicomesal lobe of inferior appendage curved caudad (Fig. 16) .............................. Triaenodes hornitos n. sp.
21(20). Apex of tergum X excavated medially ................................................................. 22 Apex of tergum X narrow, attenuate, strongly upturned (Fig. 26) ........................... ......................................................................................... Triaenodes tapanti n. sp.
22(21). Dorsomesal process of tergum X digitate............................................................. 23 Dorsomesal process of tergum X spatulate........................................................... 25
23(22). Segment X with lateral flange; recurved process of inferior appendage broad, flat along most of its length, with apex hooklike, with subbasal flange (Fig. 19) .......... ....................................................................................... Triaenodes moncho n. sp. Segment X without lateral flange; recurved process of inferior appendage narrow, tapering throughout its length, apex not hooklike, without subbasal flange ........ 24
24(23). Preanal appendage short, about as long as wide; dorsomesal process of tergum X long; apicolateral margins of tergum X without microtrichia (or not evident); apex of phalicata with cleft (Fig. 25) ................................. Triaenodes talamanca n. sp. Preanal appendage long, at least twice as long as wide; dorsomesal process of tergum X short; apicolateral margins of tergum X with microtrichia; apex of phalicata without cleft, acute (Fig. 22) ............................. Triaenodes oaxacensis n. sp.
25(22). Phallus with two parameres; dorsomesal process of tergum X long, extending to or beyond apex of tergum X; preanal appendage very short, shorter than wide (Fig. 14) ................................................................................. Triaenodes guadaloupe n. sp. Phallus with three parameres; dorsomesal process of tergum X short, less than or about half length of tergum X; preanal appendage long, at least twice as long as wide (Fig. 20).................................................................... Triaenodes morai n. sp.
description: Published as part of Holzenthal, Ralph W. & Contents, Trond Andersen Table Of, 2004, The caddisfly genus Triaenodes in the Neotropics (Trichoptera: Leptoceridae), pp. 1-80 in Zootaxa 511 (1) on pages 39-41, DOI: 10.11646/zootaxa.511.1.1, http://zenodo.org/record/5030215