ZooKeys 499: A Revision of the Neotropical Caddisfly Genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae)

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Language: English

The microcaddisfly genus Leucotrichia (Trichoptera, Hydroptilidae) is endemic to the New World and species diversity is greatest in Central and northern South America. The small adults of many of the species have large green patches of hairs on the wings and crawl actively on streamside vegetation during the day. The aquatic larvae live in flattened cases fixed to the substrate and graze on periphyton.

This monograph A Revision of the Neotropical Caddisfly Genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae) treats the 30 previously known species in the genus and 13 new species from Brazil, Costa Rica, Ecuador, Mexico, and Venezuela. Important diagnostic morphological characters of the head and male genitalia are described and illustrated for all 43 species. A generic diagnosis, known distributions for all species, and a key to males of all species are provided. This paper provides new information on a previously poorly known group of insects in one of the world’s most biologically diverse regions.

Contents

Introduction   1
Materials and methods   5
Specimen preparation and observation   5
Illustrations and descriptions   6
Morphological terminology   6
Depositories   6
Systematics   7
Generic description   7
Genus Leucotrichia Mosely, 1934   7
Species descriptions   9
   Leucotrichia melleopicta Mosely, 1934, type species   9
   Leucotrichia adela Wells & Wichard, 1989 †   9
   Leucotrichia alisensis Rueda Martín, 2011   10
   Leucotrichia angelinae Thomson & Holzenthal, sp. n.   11
   Leucotrichia ayura Flint, 1991   11
   Leucotrichia bicornuta Thomson, 2012   12
   Leucotrichia botosaneanui Flint, 1996   13
   Leucotrichia brasiliana Sattler & Sykora, 1977   14
   Leucotrichia brochophora Flint, 1991   15
   Leucotrichia chiriquiensis Flint, 1970   16
   Leucotrichia denticulata Thomson & Holzenthal, sp. n.   17
   Leucotrichia dianeae Thomson & Holzenthal, sp. n.   17
   Leucotrichia dinamica Bueno-Soria, 2010   18
   Leucotrichia extraordinaria Bueno-Soria, Santiago-Fragoso & Barba-Álvarez, 2001   19
   Leucotrichia fairchildi Flint, 1970   20
   Leucotrichia forrota Oláh & Johanson, 2011   22
   Leucotrichia fulminea Thomson & Holzenthal, sp. n.   23
   Leucotrichia gomezi Flint, 1970   24
   Leucotrichia hispida Thomson & Holzenthal, sp. n.   25
   Leucotrichia imitator Flint, 1970   26
   Leucotrichia inflaticornis Botosaneanu, 1993   27
   Leucotrichia inops Flint, 1991   27
   Leucotrichia interrupta Flint, 1991   28
   Leucotrichia kateae Thomson & Holzenthal, sp. n.   29
   Leucotrichia laposka Oláh & Johanson, 2011   30
   Leucotrichia lerma Angrisano & Burgos, 2002   31
   Leucotrichia limpia Ross, 1944   31
   Leucotrichia mutica Flint, 1991   32
   Leucotrichia padera Flint, 1991   33
   Leucotrichia pectinata Thomson & Holzenthal, sp. n.   34
   Leucotrichia pictipes (Banks, 1911)   35
   Leucotrichia procera Thomson & Holzenthal, sp. n.   37
   Leucotrichia repanda Thomson & Holzenthal, sp. n.   37
   Leucotrichia rhomba Thomson & Holzenthal, sp. n.   38
   Leucotrichia riostoumae Thomson & Holzenthal, sp. n.   39
   Leucotrichia sarita Ross, 1944   40
   Leucotrichia sidneyi Thomson & Holzenthal, sp. n.   42
   Leucotrichia tapantia Thomson & Holzenthal, sp. n.   42
   Leucotrichia termitiformis Botosaneanu, 1993   43
   Leucotrichia tritoven Flint, 1996   44
   Leucotrichia tubifex Flint, 1964   45
   Leucotrichia viridis Flint, 1967   46
   Leucotrichia yungarum Angrisano & Burgos, 2002   47
Key to the males of Leucotrichia   48
Figures   52
Acknowledgments   98
References   98

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