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Selected Works of
Hendrik Freitag
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Professor and Department Research Coordinator, Biology Department
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Dr. Freitag’s research focuses mainly on freshwater arthropods of the Philippines and the Oriental Region.
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About Hendrik Freitag
Dr. Freitag’s research focuses mainly on freshwater arthropods of the Philippines and the Oriental Region.
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Professor / Department Research Coordinator,
Ateneo de Manila University
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Biology Department
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Entomology
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Featured Works
Featured Works
(42)
Article
Hydraenidae (Insecta: Coleoptera) of Mindoro, Philippines. I: Hydraena Kugelann, 1794 ...
Biology Faculty Publications (2017)
Arielle R Vidal, Kimberly Camille T. S Go and Hendrik Freitag
The species of the genus Hydraena Kugelann, 1794 of the Baroc River basin in the Philippine Island of Mindoro are ...
Link
Article
Larvae of Ancyronyx Erichson, 1847 (Insecta: Coleoptera: Elmidae) from Sulawesi ...
Biology Faculty Publications (2017)
Hendrik Freitag and Jan Kodada
We describe the immature stages of six Ancyronyx (Spider Riffle Beetles) species from Sulawesi: A. henningi Freitag & Kodada, 2017; ...
Link
Article
The complex evolutionary history and phylogeography of Caridina typus (Crustacea ...
Biology Faculty Publications (2017)
Hendrik Freitag, Samuel C Bernardes, Almir R Pepato, Thomas von Rintelen, et al.
The evolutionary history of the old, diverse freshwater shrimp genus Caridina is still poorly understood, despite its vast distribution – ...
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Article
Vietelmis jablonskii, a new species of riffle beetle from Laos ...
Biology Faculty Publications (2017)
Hendrik Freitag, Jan Kodada, Narumon Sangpradub, Rungnapa Somnark, et al.
A new species of riffle beetle, Vietelmis jablonskii, from Laos and Thailand is described and illustrated. Differences to other Vietelmis ...
Link
Article
Diversity of aquatic and riparian Coleoptera of the Philippines: checklist ...
Biology Faculty Publications (2016)
Hendrik Freitag, Manfred A Jach and Gunther Wewalka
The diversity of the aquatic and strictly riparian beetles of the Philippines is reviewed. A checklist (with 317 species and ...
Link
Article
Two new species of Geosesarma De Man, 1892 (Crustacea: Brachyura ...
Biology Faculty Publications (2016)
Hendrik Freitag, Marivene Manuel-Santos and Peter K.L Ng
Two new and relatively large species of semi-terrestrial sesarmid crabs of the genus Geosesarma De Man, 1892, are described from ...
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Article
Clues to Aquatic Beetle Research in Southeast Asia: A Multitude ...
Biology Faculty Publications (2015)
Hendrik Freitag
The basic ecological classification of Southeast Asian beetle families that are associated with aquatic habitats is reviewed. The microhabitat preferences ...
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Article
A Mega-Diverse Water Beetle Genus (Coleoptera: Hydraenidae: Hydraena Kugelann) Commonly ...
Biology Faculty Publications (2014)
Hendrik Freitag
This study summarizes the current knowledge of the water beetle genus Hydraena Kugelann in Southeast Asia. The surprising species diversity ...
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Article
Revision of Anacaena THOMSON, 1859 XI. Republic of the Philippines ...
Biology Faculty Publications (2014)
Hendrik Freitag
The species of Anacaena THOMSON, 1859 (Coleoptera: Hydrophilidae) of the Republic of the Philippines are revised. Fifteen new species are ...
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Article
A new intertidal shore bug (Heteroptera: Saldidae) from the Philippines
Biology Faculty Publications (2013)
Hendrik Freitag, Herbert Zettel and Clister V Pangantihon
Salduncula carmencitae sp.n. is described, its habitus and the paramere and parandria of the male are illustrated. This shore bug ...
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Article
Ancyronyx Erichson, 1847 (Coleoptera, Elmidae) from Mindoro, Philippines, with description ...
Biology Faculty Publications (2013)
Hendrik Freitag
Ancyronyx buhid sp. n. and Ancyronyx tamaraw sp. n. are described based on adults and larvae, matched using their cox1 ...
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Article
Hydraena (Hydraenopsis) ateneo, new species (Coleoptera, Hydraenidae) and other aquatic ...
Biology Faculty Publications (2013)
Hendrik Freitag
Seven species of Hydraenidae, Hydrophilidae and Elmidae are recorded from temporary freshwater habitats at the Ateneo de Manila University Campus ...
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Article
Trichoptera of Mindoro, the Philippines I. New species and records ...
Biology Faculty Publications (2013)
Hendrik Freitag and Wolfram Mey
The study of a collection of caddisflies from Mindoro yielded a total of 34 species. Eight species proved to be ...
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Article
Aquatic Heteroptera Of the Lake Manguao Catchment, Palawan and New ...
Biology Faculty Publications (2012)
Hendrik Freitag and Herbert Zettel
Results of an inventory of the fauna of aquatic and semiaquatic true bugs (Insecta: Hemiptera) of small streams in a ...
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Article
Ancyronyx jaechi sp.n. from Sri Lanka, the first record ...
Biology Faculty Publications (2012)
Hendrik Freitag
Ancyronyx jaechi sp. n. from Kegalle District, Sabaragamuwa Province, Sri Lanka is described. The new species is rec-ognized by a ...
Link
Article
Digital microscopic imaging of important taxonomic characters of Philippine Hydraena ...
Biology Faculty Publications (2012)
Hendrik Freitag
Biodiversity surveys have revealed several new aquatic beetle species of minute size (0.9 mm to 1.8 mm body length). Following ...
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Article
Notes on Notonectidae (Hemiptera: Heteroptera) from southeastern Asia, mostly from ...
Biology Faculty Publications (2012)
Hendrik Freitag, Herbert Zettel, David J.W Lane and Clister V Pangantihon
Updated distribution data are presented for the following species of Notonectidae (Heteroptera) in southeastern Asia: Anisops breddini Kirkaldy, 1901, A. ...
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