1 - 10 of 12 articles
The male and female of Polycentropus cianficconiae sp. n. (Peloritani Mountains, Northeast Sicily) are described. This new species is related to P. divergens Mosely, 1930, of which the variability of some characters of male genitalia is examined. Female genitalia of the new species are compared...
Female imagines, subimagines, eggs and larvae of Electrogena antalyensis (Kazanci & Braasch) from Turkey are described for the first time. The results of a thorough analysis of larvae, based on the standard set of diagnostic characters for the identification of Electrogena species, are reported....
Neophylax kolodskii sp. n. from Great Smoky Mountains National Park is described and illustrated from adult specimens.
The effects of constant air temperature and relative humidity on the longevity of three species of gripopterygid stonefly adults from New Zealand were investigated in laboratory experiments, and the results were compared to field measurements of air temperature and humidity obtained during...
The diets of three species of gripopterygid stonefly adults (Acroperla trivacuata, Zelandoperla decorata and Zelandobius furcillatus) from New Zealand were investigated using field studies and laboratory experiments. Guts of female stoneflies were generally fuller than those of males, suggesting...
A total of 14 species of genus Aphelocheirus Westw. from China are listed in this paper. One new species, Aphelocheirus brunneus sp. n., is described from Hubei Province. Aphelocheirus carinatus (Royer, 1920) is reported from China for the first time. The type specimens are deposited in the...
A new species of perlid, Anacroneuria takutu sp. n., from Guyana is described and a new record of A. arawak Stark is given. Two additional species of Anacroneuria, represented only by female specimens, are described under informal designations.
Differences between sexes in life history patterns of Sympetrum sanguineum were studied in a small pond in southern Sweden by means of exuviae and adult sampling. Emergence occurred from 4 to 28 July, and mean emergence date was 10 July for both males and females. The sex ratio at emergence (53%...
During the survey of chiromonid midges from Kyushu, the authors found a new species of Podonominae (Chironomidae), Boreochlus longicoxalsetosus. The male imago of this new species is described and illustrated. This constitutes the third record of the subfamily Podonominae, and the second species...
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