The caddisfly genus Triaenodes in the Neotropics (Trichoptera: Leptoceridae)
Author
Holzenthal, Ralph W.
Department of Entomology, University of Minnesota, 1980 Folwell Ave., Room 219, St. Paul, Minnesota, 55108, U. S. A. (holze 001 @ umn. edu) Museum of Zoology, University of Bergen, Muséplass 3, N- 5007 Bergen, Norway (trond. andersen @ zmb. uib. no)
Author
Contents, Trond Andersen Table Of
text
Zootaxa
2004
2004-05-14
511
1
1
80
https://biotaxa.org/Zootaxa/article/view/zootaxa.511.1.1
journal article
4064
10.11646/zootaxa.511.1.1
d9f10a58-d4f7-4a74-900a-d5f2e041d181
11755334
5030215
Triaenodes nicaraguensis
,
new species
Fig. 21
The similarity of this species to
T
.
delicatus
was discussed above.
Adult (male: n=3). Forewing length 4.9–5.0 mm, hind wing length 3.9–4.0 mm. Eye
0.39–0.42 mm
wide. Antennal scape
0.37–0.40 mm
long. Maxillary palp segment lengths (in mm): 0.25–0.27, 0.32–0.34, 0.43–0.45, 0.24–0.26, 0.48–0.52. Forewing pale yellow, denuded.
Male genitalia. Abdominal segment IX anterior margin slightly rounded, slightly produced anteroventrally; pleural region membranous, setose; tergum IX, in dorsal view, with posteromesal margin indistinct, dorsomesal papillae not evident; sternum IX in lateral view with posterior margin sinuate. Preanal appendage setose, about as long as wide, constricted basally, apex subacute. Dorsomesal process of tergum X digitate, originating basally, long, extending beyond apex of tergum X, with apical setae; tergum X, in dorsal view, with lateral margins subparallel; in lateral view, narrowly triangular, apex acute, upturned, apicolateral margins with microtrichia. Inferior appendage subquadrangular basally, setose, with short, tapering, apicoventral projection; recurved process abruptly downturned subapically, broad along basal 2/3, apex sharply attenuate; apicomesal lobe heavily setose, elongate, narrow, parallel sided. Phallobase small, triangular, endothecal membranes prominent, highly convoluted, with pair of parameres, parameres subequal, long, gently curved, tapering, with small subapical denticle; phalicata troughlike, gently curved, narrow throughout length, apex acute, phallotremal sclerite not evident.
Holotype
male:
NICARAGUA
:
Matagalpa
:
50 km
E Matagalpa
,
El Coyolar
,
85°50’00”N
,
013°07’00”W
,
15.v.1991
,
S Hue
(
UMSP000027133
) (
NMNH
).
Paratypes
:
NICARAGUA
:
Zelaya
:
Las Américas
,
13°07’00”N
,
084°31’00”W
,
230 m
,
10.vii.1997
,
Maes
&
Hernández
—
1 male
(
UMSP
)
.
Distribution.
Nicaragua
.
Etymology. Named for the country in which the
types
were collected.