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Fig. 9 in Review of the genus Chinoperla Zwick, 1980 (Plecoptera: Perlidae: Perlinae) from China

Fig. 9. Chinoperla nigrifrons (Banks, 1939), ♂ from Mount Yinggeling (HIST). A. Head and pronotum, dorsal view. B. Terminalia, dorsal view. C. Cleared terminalia, dorsal view. D. Cleared terminalia, lateral view. E. Cleared terminalia, oblique lateral view. Abbreviations: see Material and methods. Scale bars = 0.5 mm.

Fig. 5 in Review of the genus Chinoperla Zwick, 1980 (Plecoptera: Perlidae: Perlinae) from China

Fig. 5. Chinoperla changjiangensis sp. nov., eggs. A. Entire egg, lateral view. B. Entire egg, lateral view. C. Lid end, lateral view. D. Lid end, apical view. E. Collar end, lateral view. F. Micropyles (indicated by arrows). Abbreviations: see Material and methods.

Fig. 6 in Review of the genus Chinoperla Zwick, 1980 (Plecoptera: Perlidae: Perlinae) from China

Fig. 6. Chinoperla nigrifrons (Banks, 1939), ♂, holotype (MCZ Type 22693). A. Adult habitus, dorsal view. B. Head and pronotum, dorsal view. C. Terminalia, dorsal view. D. Cleared terminalia, dorsal view. E. Cleared terminalia, lateral view. Abbreviations: see Material and methods. Scale bars: A = 1.0 mm; B–E = 0.5 mm.

Fig. 4 in Review of the genus Chinoperla Zwick, 1980 (Plecoptera: Perlidae: Perlinae) from China

Fig. 4. Chinoperla changjiangensis sp. nov., ♀, paratype (CAU) A. Head and pronotum, dorsal view. B. Terminalia, ventral view. C. Eggs, lateral view. D. Entire egg, lateral view. Abbreviations: see Material and methods. Scale bars: A–B = 0.5 mm; C–D = 0.2 mm.

Fig. 1 in Review of the genus Chinoperla Zwick, 1980 (Plecoptera: Perlidae: Perlinae) from China

Fig. 1. Chinoperla changjiangensis sp. nov., ♂, paratype (HIST). A. Head and pronotum, dorsal view. B. Terminalia, dorsal view. C. Cleared terminalia, dorsal view. D. Cleared terminalia, lateral view. Abbreviations: see Material and methods. Scale bars = 0.5 mm.

Fig. 3 in Review of the genus Chinoperla Zwick, 1980 (Plecoptera: Perlidae: Perlinae) from China

Fig. 3. Chinoperla changjiangensis sp. nov., ♂, paratype of C. nigrifrons (Banks, 1939) (MCZ). A. Adult habitus, dorsal view. B. Head, dorsal view. C. Pronotum, dorsal view. D. Cleared terminalia, dorsal view. E. Cleared terminalia, lateral view. F. Aedeagus, dorsal view. Abbreviations: see Material and methods. Scale bars: A = 1.0 mm; B–F = 0.5 mm.

Figure 4 in New country records and further data to the stonefly (Plecoptera) fauna of southeast Macedonia

Figure 4. Macedonian specimen ofZwicknia acutaMurányi & Orci, 2014:A – male epiproct, lateral view, scale bar 0.5 mm;B – oscillogram showing a sequence of three calls, ambient air temperature was 18.2oC during the recording.

Figure 1 in New country records and further data to the stonefly (Plecoptera) fauna of southeast Macedonia

Figure 1. Collecting sites in the Anska Reka and Dojran Lake watersheds (altitudes above 200, 500 and 1000 meters are shaded in different grey). 1: Vodenic Stream at Motel Izvor; 2–3: macchia brook and creek at Dedeli; 4: Anska Reka tributary E ofČalakli; 5: Anska Reka at Kočuli settlement; 6: Činarli Stream above Bašibos; 7: Karani Stream above Bašibos; 8: macchia brook W of Nikoliќ.

Figure 3 in New country records and further data to the stonefly (Plecoptera) fauna of southeast Macedonia

Figure 3. Terminalia of the spring emergingLeuctra fuscagroup specimens:A – L. fusca fusca (Linnaeus, 1758) male, dorsal view;B – L. fusca fusca male, lateral view;C – L. graecaZwick, 1978 male, dorsal view;D – L. graecafemale, ventral view;E – L. bronislawi Sowa, 1970 male, dorsal view;F – L. bronislawifemale, ventral view. Scale bar 1 mm.

Figure 5 in New country records and further data to the stonefly (Plecoptera) fauna of southeast Macedonia

Figure 5. Habitats in the Anska Reka watersheds: A – Vodenic Stream at Motel Izvor; B – Anska Reka at Kočuli settlement;C – Karani Stream above Bašibos;D – macchia brook at Dedeli.

Figure 2. Larva ofRhabdiopteryx doiranensisIkonomov, 1983 in New country records and further data to the stonefly (Plecoptera) fauna of southeast Macedonia

Figure 2. Larva ofRhabdiopteryx doiranensisIkonomov, 1983:A – male habitus, dorsal;B –male terminalia, ventral; C – male terminalia, lateral;D – female terminalia, ventral;E – female terminalia, lateral. Scale bars 1 mm.

opencc-zeroMay 2022View details →

dryad36/100

Landscape connectivity and genetic structure in a mainstem and a tributary stonefly (Plecoptera) species using a novel reference genome

<p>Abstract Understanding how environmental variation influences population genetic structure can help predict how environmental change influences population connectivity, genetic diversity, and evolutionary potential. We used riverscape genomics modelling to investigate how climatic and habitat variables relate to patterns of genetic variation in two stonefly species, one from mainstem river habitats (Sweltsa coloradensis) and one from tributaries (Sweltsa fidelis) in 40 sites in northwest Montana, USA. We produced a draft genome assembly for S. coloradensis (N50 = 0.251 Mbp, BUSCO &gt; 95% using "insecta_ob9" reference genes). We genotyped 1930 SNPs in 372 individuals for S. coloradensis and 520 SNPs in 153 individuals for S. fidelis. We found higher genetic diversity for S. coloradensis compared to S. fidelis, but nearly identical genetic differentiation among sites within each species (both had global loci median FST = 0.000), despite differences in stream network location. For landscape genomics and testing for selection, we produced a less stringently filtered data set (3454 and 1070 SNPs for S. coloradensis and S. fidelis, respectively). Environmental variables (mean summer precipitation, slope, aspect, mean June stream temperature, land cover type) were correlated with 19 putative adaptive loci for S. coloradensis. but there was only one putative adaptive locus for S. fidelis (correlated with aspect). Interestingly, we also detected potential hybridization between multiple Sweltsa species which has never been previously detected. Studies like ours, that test for adaptive variation in multiple related species are needed to help assess landscape connectivity and the vulnerability of populations and communities to environmental change.</p>

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Data from: Distributional trends and species richness of Maryland, USA stoneflies (Insecta: Plecoptera), with an emphasis on the Appalachian region

<p>Faunistic studies of regional biodiversity of aquatic insects are increasing in importance as declines are noted globally. Federal and state government conservation attempts for rare and threatened species are predicated upon the initial research of specialized taxonomists and trained field biologists. Reporting of aquatic insect occurrence data provides a baseline for conservation agencies to compare water quality monitoring studies. Updated fieldwork, literature reviews, and database queries for stoneflies from the mid-Atlantic USA state of Maryland necessitated an assessment of species diversity for the state. Seven new state records and one new literature record are presented, bringing the total number of species to 122. Chao1 estimates of species richness are presented for diversity hotspots and the state as a whole, indicating that increased sampling is still necessary to fully understand diversity patterns. Accompanying are assessments of elevation trends and adult presence patterns within nine families. Collections are predominantly restricted to the Appalachian region, herein we direct future efforts to focus on understudied regions. An outline of distribution knowledge for species is presented to inform upcoming State Wildlife Action Plans.</p>

opencc-zeroSep 2022View details →

Fig. 4 in First report of viviparity of the stoneflies Capnia khingana (Plecoptera: Capniidae) in the Low Amur River Basin

Fig. 4. Female of Capnia khingana hatched embryos: A – first instar nymph exiting of

Fig. 5 in First report of viviparity of the stoneflies Capnia khingana (Plecoptera: Capniidae) in the Low Amur River Basin

Fig. 5. Female of Capnia khingana giving birth to first instar nymph.

Fig. 3 in First report of viviparity of the stoneflies Capnia khingana (Plecoptera: Capniidae) in the Low Amur River Basin

Fig. 3. Female of Capnia khingana with developing eggs, non hatched and hatched

Fig. 2 in First report of viviparity of the stoneflies Capnia khingana (Plecoptera: Capniidae) in the Low Amur River Basin

Fig. 2. Female of Capnia khingana with developing nymphal embryos throughout

Fig. 1 in First report of viviparity of the stoneflies Capnia khingana (Plecoptera: Capniidae) in the Low Amur River Basin

Fig. 1. Female reproductive system of Capnia khingana. Abbreviations: Ov – developing

opencc-by-4.0Oct 2005View details →

Fig. 4 in The Mongolian Species Of Isoperlinae (Plecoptera: Perlodidae)

Fig. 4. Isoperla altaica ŠÁMAL, egg and details of collar; specimen from Khonin Nuga