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Notes On Notonectidae (Hemiptera: Heteroptera) From Southeastern Asia, Mostly From Brunei And The Philippines, Hendrik Freitag, Herbert Zettel, David J.W Lane, Clister V. Pangantihon
Notes On Notonectidae (Hemiptera: Heteroptera) From Southeastern Asia, Mostly From Brunei And The Philippines, Hendrik Freitag, Herbert Zettel, David J.W Lane, Clister V. Pangantihon
Biology Faculty Publications
Updated distribution data are presented for the following species of Notonectidae (Heteroptera) in southeastern Asia: Anisops breddini Kirkaldy, 1901, A. kuroiwae Matsumura, 1915, A. nasutus Fieber, 1851, A. nigrolineatus Lundblad, 1933, A. occipitalis Breddin, 1905, A. rhomboides Nieser & Chen, 1999, A. stali Kirkaldy, 1904, Aphelonecta philippina Zettel, 1995, Enithares bakeri Brooks, 1948, E. freyi Brooks, 1948, E. intha Paiva, 1918, E. mandalayensis Distant, 1910, E. martini martini Kirkaldy, 1898, E. quadrispinosa Lansbury, 1967, E. sinica (Stål, 1854), E. subparallela Lansbury, 1968, E. uncata Lundblad, 1933, E. cf. vicintricata Lansbury, 1968, and Nychia sappho Kirkaldy, 1901. There are six fi …
Digital Microscopic Imaging Of Important Taxonomic Characters Of Philippine Hydraena (Hydraenopsis) Species, Hendrik Freitag
Digital Microscopic Imaging Of Important Taxonomic Characters Of Philippine Hydraena (Hydraenopsis) Species, Hendrik Freitag
Biology Faculty Publications
Biodiversity surveys have revealed several new aquatic beetle species of minute size (0.9 mm to 1.8 mm body length). Following modern standards of morphological taxonomy, internal and external microstructures such as aedeagus, ovipositor, spermatheca, gonocoxite as well as the distribution pattern and shape of certain hair structures were used to illustrate the distinguishing characters of new species. As even the smallest diaphragm opening of light microscopes fails to retrieve images of sufficient depth of the field, light microscope images under ZEISS Primo Vert inverted microscope, equipped with ZEISS LD Plan-ACHROMAT 20X objective lens, and an OLYMPUS SZ 61 stereomicroscope, were …