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Nymphs of North American stonefly genera (Plecoptera).
TLDR
The basal branching point in north american stonefly nymphs are aquatic insects of the peltoperlidae styloperl Families and are sometimes very susceptible to the pteronarcyoidea.
Perlesta placida (Hagen), an eastern nearctic species complex (Plecoptera: Perlidae)
Perlesta placida (Hagen), long regarded as a widespread variable species, is a complex of at least 12 species which differ in pigmentation, egg morphology and male and female genital structures.
At last, a Pennsylvanian stem-stonefly (Plecoptera) discovered
TLDR
Continuing efforts on the systematics of Pennsylvanian winged insects indicate a fauna more diverse than previously appreciated, which suggests that insects already had a long, yet undocumented, history by this time.
A Synopsis of Neotropical Perlidae (Plecoptera)
The Neotropical perlid fauna currently includes about 280 species placed in ten genera. Anacroneuria, the dominant and most diverse genus throughout much of the Neotropics, is largely replaced in
SWELTSA WUI AND HAPLOPERLA VALENTINAE (PLECOPTERA: CHLOROPERLIDAE), TWO NEW STONEFLIES FROM SICHUAN PROVINCE, CHINA
Sweltsa wui sp. n. and Haploperla valentinae sp. n. are described from Balangshan Pass, Sichuan Province, and compared with known Asian species. The new Sweltsa species lacks a transverse process on
The species of Calineuria and Doroneuria (Plecoptera: Perlidae)
— The genus Doroneuria is reviewed, and characters necessary for recognition of its two included species are figured. Doroneuria baumanni, sp. nov., is described for the male, female, and nymph, and
The winter stonefly genus Paracapnia (Plecoptera: Capniidae)
TLDR
The capniid genus Paracapnia Hanson is reviewed and a new species, P. boris, is described from males and females collected in northern California, provisionally assigned to the genus.
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