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Dr. Ralph Holzenthal  [72]

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Phylogeny of Trichoptera.

Kjer, Karl M.; Holzenthal, Ralph W.; Blahnik, Roger J. (2003)

Hydroptilidae (Trichoptera) of Costa Rica: the genus Oxyethira Eaton

Holzenthal, Ralph W.; Harris, Steven C. (New York Entomological Society, 1992)
Nine new species of Oxyethira (Trichoptera: Hydroptilidae) are described from Costa Rica: 0. apinolada, 0 . cuernuda, 0. culebra, 0. espinada, 0. hilosa, 0. rareza, 0 . sencilla, 0. sierruca, and 0. tica. Males of each new ...

New species and records of Costa Rican Polycentropus (Trichoptera: Polycentropodidae)

Holzenthal, Ralph W.; Hamilton, Steven W. (New York Entomological Society, 1988)
Five new species of Pofycentropus (Trichoptera: Polycentropodidae) from Costa Rica are described and illustrated: P. fasthi, P. fortispinus, P. nebulosus, P. volcanus, and P. zurqui. In addition, P. digitus Yamamoto, P. ...

Hydroptilidae (Trichoptera) of Costa Rica and the Neotropics: Systematics of the genus Byrsopteryx Flint (Stactobiini)

Harris, Steven C.; Holzenthal, Ralph W. (New York Entomological Society, 1994)
The systematics of the genus Byrsopteryx are reviewed. Two previously described species, B. miri.fica Flint from Venezuela, the type species of the genus, and B. septempunctata (Flint) from Dominica are redescribed and ...

Hydroptilidae (Trichoptera) from Costa Rica: the genus Mayatrichia Mosely

Harris, Steven C.; Holzenthal, Ralph W. (New York Entomological Society, 1990)
The genus Mayatrichia is represented in Costa Rica by three species, M. ayama Mosely, M. rualda Mosely, and M. illobia, new species. The new species, also known from Ecuador, is described and illustrated. Distribution ...

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