Difference between revisions of "Leucotrichia bicornuta"

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Latest revision as of 12:27, 10 April 2017

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This page should be cited as follows (rationale):
Thomson R, Holzenthal R (2015) A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae). ZooKeys (499) : 1–100, doi. Versioned wiki page: 2017-04-10, version 139653, https://species-id.net/w/index.php?title=Leucotrichia_bicornuta&oldid=139653 , contributors (alphabetical order): Pensoft Publishers.

Citation formats to copy and paste

BibTeX:

@article{Thomson2015ZooKeys,
author = {Thomson, Robin E. AND Holzenthal, Ralph W.},
journal = {ZooKeys},
publisher = {Pensoft Publishers},
title = {A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae)},
year = {2015},
volume = {},
issue = {499},
pages = {1--100},
doi = {10.3897/zookeys.499.8360},
url = {http://zookeys.pensoft.net/articles.php?id=5134},
note = {Versioned wiki page: 2017-04-10, version 139653, https://species-id.net/w/index.php?title=Leucotrichia_bicornuta&oldid=139653 , contributors (alphabetical order): Pensoft Publishers.}

}

RIS/ Endnote:

TY - JOUR
T1 - A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae)
A1 - Thomson R
A1 - Holzenthal R
Y1 - 2015
JF - ZooKeys
JA -
VL -
IS - 499
UR - http://dx.doi.org/10.3897/zookeys.499.8360
SP - 1
EP - 100
PB - Pensoft Publishers
M1 - Versioned wiki page: 2017-04-10, version 139653, https://species-id.net/w/index.php?title=Leucotrichia_bicornuta&oldid=139653 , contributors (alphabetical order): Pensoft Publishers.

M3 - doi:10.3897/zookeys.499.8360

Wikipedia/ Citizendium:

<ref name="Thomson2015ZooKeys">{{Citation
| author = Thomson R, Holzenthal R
| title = A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae)
| journal = ZooKeys
| year = 2015
| volume =
| issue = 499
| pages = 1--100
| pmid =
| publisher = Pensoft Publishers
| doi = 10.3897/zookeys.499.8360
| url = http://zookeys.pensoft.net/articles.php?id=5134
| pmc =
| accessdate = 2024-12-23

}} Versioned wiki page: 2017-04-10, version 139653, https://species-id.net/w/index.php?title=Leucotrichia_bicornuta&oldid=139653 , contributors (alphabetical order): Pensoft Publishers.</ref>

See also the citation download page at the journal.


Taxonavigation

Ordo: Trichoptera
Familia: Hydroptilidae
Genus: Leucotrichia

Name

Leucotrichia bicornuta Thomson, 2012Wikispecies linkPensoft Profile

  • bicornuta Thomson, 2012: 4 [Type locality: Brazil, Río de Janeiro, Panedo, Río das Pedras, Três Bacias; DZRJ; male].

Diagnosis

This species is similar to Leucotrichia dianeae sp. n., Leucotrichia extraordinaria, and Leucotrichia tapantia sp. n. In each of these species, the posterolateral margin of sternum VIII is produced, with the apex of the projection bearing either prominent setae or a peg-like seta. The shape of the phallus apex is also similar in all these species, with all bearing a pair of membranous apical lobes and lacking any external spines or sclerites. Leucotrichia bicornuta differs from the other 3 species in having fused inferior appendages and a distinct, irregularly shaped dorsal arm on the subgenital plate.

Description

Male. Length of forewing 2.5–3.4 mm (n=3). Head unmodified, with 3 ocelli; antennae unmodified. Color in alcohol brown. Genitalia. Abdominal sternum VII with digitate mesoventral process with small basal ridge. Sternum VIII posteromesal projection bearing long, prominent setae; in ventral view with posterior margin concave. Segment IX anterolateral margin broadly produced dorsolaterally, posterolateral margin irregular; in dorsal view anterior margin convex, posterior margin concave. Tergum × with dorsal sclerite slender; ventral sclerite semielliptic with tridentate posterior margin; membranous apex suborbicular. Subgenital plate with dorsal arm irregular, bent sharply dorsad (Fig. 9A); ventral arm short, digitate, with basal projection, laterally obscured from view by inferior appendage (Fig. 9A), in ventral view with rounded apical emargination. Inferior appendage arched mesally, apex hooked dorsally, bearing single dorsal spine; in ventral view entirely fused, apex emarginated. Phallus apex bearing paired apicodorsal lobes, no spines or sclerites apparent.

Material examined

Holotype male: BRAZIL: Río de Janeiro: Panedo, Río das Pedras, Três Bacias, 22°24'32.2"S, 44°33'06.6"W, elev. 735 m, 6.iii.2008, Nessimian, Dumas, de Souza, and Braga (in alcohol) (UMSP000014084) (DZRJ). Paratypes: BRAZIL: Río de Janeiro: Itatiaia, Parque Nacional do Itatiaia, Río Camp Belo, 22°27'17.32"S, 44°36'37.47"W, elev. 705 m, 13.iv.2007, light, Santos, Dumas, Ferreira, Jr., and Nessimian, 2 males, 1 female (in alcohol) (DZRJ).

Etymology

Bi, Latin for “double”; cornutus, Latin for “horned”, referring to the 2 apicodorsal lobes of the phallus.

Taxon Treatment

  • Thomson, R; Holzenthal, R; 2015: A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae) ZooKeys, (499): 1-100. doi

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