Hydroptilidae (Trichoptera) of Costa Rica: The genus Hydroptila Dalman

Steven C. Harris, Ralph W. Holzenthal

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4 Scopus citations


Seven new species of Hydroptila (Trichoptera: Hydroptilidae) from Costa Rica are described: H. carara, H. maritza, H. osa, H. paradenza, H. maza, H. rastrilla, H. singri, and one from Panama, H. nusagandia. Ten additional species occurring in Costa Rica are recorded: H. brailovskyi Bueno-Soria, H. constricta Bueno-Soria, H. curvata Bueno-Soria, H. flinti Bueno-Soria, H. icona Mosely, H. meralda Mosely, H. mexicana Mosely, H. misolha Bueno-Soria, H. paschia Mosely, and H. veracruzensis Flint. In addition, illustrations of H. denza Ross and H. grenadensis Flint are included to help clarify the taxonomy of the denza species group. Finally, an illustrated key is provided for males of all species occurring in lower Central America.

Original languageEnglish (US)
Pages (from-to)16-51
Number of pages36
JournalStudies on Neotropical Fauna and Environment
Issue number1
StatePublished - Apr 1999

Bibliographical note

Funding Information:
Oliver S. Flint, Jr. of the National Museum of Natural History, Smithsonian Institution, kindly lent numerous specimens for identification and comparison. Joaquín Bueno-Soria, Universidad Nacional Autónoma de México, was very helpful in lending material for comparison from Mexico. Atilano Contreras-Ramos, also of UNAM, provided translations of many of the species descriptions written in Spanish. Alice Wells and Trond Andersen reviewed the manuscript and their efforts in improving it are greatly appreciated. The junior author wishes to thank the Instituto Nacional de Biodiversidad and the Servicio de Parques Nacionales, Costa Rica, for logistic and other support. Special thanks are expressed to those who participated in field work, but especially F. Muñoz, J. Huisman, and R. Blah-nik. Field research and subsequent systematic studies were supported by National Science Foundation grants BSR-8512368, BSR-8917684, and DEB-9400632. This support is gratefully acknowledged. This is paper number 981170024 of the Scientific Journal Series, Minnesota Agricultural Experiment Station, St. Paul, Minnesota.


  • Costa Rica
  • Hydroptila
  • Hydroptilidae
  • Taxonomy
  • Trichoptera


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