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A new species in the Simulium vernum group is described from Berchtesgaden National Park, Germany, on the basis of its polytene chromosomes and all life stages except the egg. The species is morphologically similar to Simulium carpathicum (Knoz), but differs in each of these life stages and...
Two new species of Tanytarsus van der Wulp, 1874 (Diptera: Chironomidae) from Central America are described as male adults: Tanytarsus poqomchi sp. n. and Tanytarsus kiche sp. n. Both show a widespread distribution in the tropical lowlands of Yucatán and occur in water bodies with a wide range...
The larva of Diplectrona magna Mosely, 1930 is described and compared with the other European Diplectrona larvae described so far. Information for the identification of three species (D. atra, D. felix and D. magna) is given and some zoogeographical and ecological notes are presented.
The first Oriental species of the water scavenger beetle subtribe Hydrobiusina, Hydrobius orientalis sp. n., is described and illustrated from Guandong Province, China. It is unique in the subtribe by lacking elytral serial punctures. The species appears most closely related to Hydrobius...
Male and female imagines of Telmatogeton murrayi sp. n. from Iceland are described and male and female imagines of T. japonicus Tokunaga from Madeira redescribed. Telmatogeton murrayi differs from T. japonicus by its much larger size, higher chaetotaxy, in details of the cibarial pump, and in...
Despite being one of the largest groups of aquatic Heteroptera, the Neotropical fauna of the genus Rhagovelia Mayr, 1865 is still poorly known. Twelve species groups occur in South America and many undescribed species occur in southeast Brazil. Herein we describe two new species of the genus...
Paratendipes Kieffer from China including five species is reviewed. Two new species from Oriental China, P. basilaristorus sp. n. and P. guizhouensis sp. n., are described and the male imagines are illustrated. A key to the males of Paratendipes in China is given.
The hitherto unknown larva of Annitella apfelbecki (Klapálek, 1899) is described and discussed in the context of contemporary Limnephilidae keys. In addition, its life cycle is discussed, and zoogeographical and ecological notes are included. Finally, we provide some additional information on...
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