Št. zadetkov: 10
Izvirni znanstveni članek
Oznake:
entomology;new species;Plecoptera;Capniidae;Paracapnia;larvae;
The larva of Paracapnia disala (Jewett) was associated from two first order headwater streams in the H.J. Andrews Experimental Forest, Oregon, U.S.A. Larvae of this first western Paracapnia species to be associated, were studiedand compared morphologically with those of the eastern Paracapnia angula ...
Leto:
2010
Vir:
dLib.si Digitalna knjižnica Slovenije
Izvirni znanstveni članek
Oznake:
entomology;new records;Plecoptera;Taeniopterygidae;Taenionema;larvae;USA;
The larvae of Taenionema have been poorly known, with only partial written descriptions and illustrations available for Taenionema kincaidi (Hoppe) and Taenionema pallidum (Banks), prior to the detailed description of Taenionema pacificum (Banks). Larvae of all 13 North American species were associa ...
Leto:
2009
Vir:
dLib.si Digitalna knjižnica Slovenije
Izvirni znanstveni članek
Oznake:
entomology;Plecoptera;stonefly;Nemouridae;larval descriptions;Podmosta;Ostrocerca;Western Nearctic;North America;
Associated larvae of the four western North American species of Podmosta are comparatively described and illustrated. Three species, Podmosta delicatula (Claassen), P. obscura (Frison) and P. weberi (Ricker), are described in detail for the first time. A preliminary larval key to the five North Amer ...
Leto:
2011
Vir:
dLib.si Digitalna knjižnica Slovenije
Izvirni znanstveni članek
Oznake:
entomology;new species;Plecoptera;Nemouridae;Soyedina producta;life history;Oregon;
Voltinism and life history of the low, but sustained, population of Soyedina producta were determined from monthly collections of larvae, and adults from emergence traps, over a 15-year period. Monthly numbers from the 5 best years,2003-2007, and selected months from 1994 to 2002 were used for deter ...
Leto:
2010
Vir:
dLib.si Digitalna knjižnica Slovenije
Izvirni znanstveni članek
Oznake:
entomology;life history;Plecoptera;Ostrocerca;Nemouridae;Oregon;
The voltinism and life history of Ostrocerca dimicki (Frison) were determined from monthly benthic collections of larvae, and adults from an emergence trap,from a short-flow, intermittent stream. Collections were from four water years, 1996-97, 1997-98, 1998-99, and 2002-03, selected from 17 years o ...
Leto:
2010
Vir:
dLib.si Digitalna knjižnica Slovenije
Izvirni znanstveni članek
Oznake:
entomology;new species;Plecoptera;Capniidae;Capnia umpqua;taxonomy;distribution;California;Oregon;
Isoperla laucki sp. n. and I. karuk sp. n. are described from the Coast Range in northwestern California. Isoperla laucki is shown to be a peculiar member of the genus in western North America based on the male aedeagus, female egg and color pattern of the nymph. Isoperla karuk is included in the Is ...
Leto:
2009
Vir:
dLib.si Digitalna knjižnica Slovenije
Izvirni znanstveni članek
Oznake:
Plecoptera;Peltoperlidae;Perlidae;Perlodidae;Pteronarcyidae;entomology;fauna;North America;
The drumming signals of thirteen North American stonefly species are reported.New signals are described for six species (Isoperla muir, I. rainera,I. rougensis, I. tilasqua, Pteronarcys scotti and the female answer ofSoliperla campanula). Descriptions of new signal characters and results fromadditio ...
Leto:
2006
Vir:
dLib.si Digitalna knjižnica Slovenije
Izvirni znanstveni članek
Oznake:
Plecoptera;Perlodidae;Isogenoides;entomology;fauna;life history;Colorado;
The detailed life history of a San Miguel River, Colorado, population of Isogenoides zionensis is reported. Adult emergence, determined from exuvial counts, and adult presence were synchronized over a 20-day period from late June to early July 1999. Sex ratio for 1999 adults was 1.85 male:1 female. ...
Leto:
2005
Vir:
dLib.si Digitalna knjižnica Slovenije
Izvirni znanstveni članek
Oznake:
entomology;Plecoptera;stonefly;Capniidae;larval descriptions;Capnia;California;
Associated larvae of five Capnia species from California are comparatively described and illustrated for the first time. A provisional key is presented, based on differences in the measurements and shape of the 10th tergum of mature male larvae and the visible underlying, developing epiprocts of pha ...
Leto:
2011
Vir:
dLib.si Digitalna knjižnica Slovenije
Izvirni znanstveni članek
Oznake:
entomology;Plecoptera;stoneflies;Sweltsa;larval descriptions;Eastern North America;USA;
Larval descriptions are provided for eight eastern Nearctic species of Sweltsa. Larvae of Sweltsa hoffmani Kondratieff & Kirchner, S. lateralis (Banks), S. mediana (Banks), S. naica (Provancher), S. palearata Surdick, S. pocahontas Kirchner & Kondratieff and S. urticae (Ricker) are described for the ...
Leto:
2011
Vir:
dLib.si Digitalna knjižnica Slovenije