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Fig. 7 in A revision of the lotic genus Potamyia BANKS 1900 (Trichoptera: Hydropsychidae) with the description of eight new species

Fig. 7: Potamyia aureipennis, Fig. 8: Potamyia baenzigeri, Fig. 9: Potamyia elektra.

Fig. 22 in A revision of the lotic genus Potamyia BANKS 1900 (Trichoptera: Hydropsychidae) with the description of eight new species

Fig. 22: Potamyia chinensis, Fig. 23: Potamyia dentifera, Fig. 24: Potamyia dryope.

Fig. 19 in A revision of the lotic genus Potamyia BANKS 1900 (Trichoptera: Hydropsychidae) with the description of eight new species

Fig. 19: Potamyia straminea, Fig. 20: Potamyia chekiangensis, Fig. 21: Potamyia chinensis.

Fig. 16 in A revision of the lotic genus Potamyia BANKS 1900 (Trichoptera: Hydropsychidae) with the description of eight new species

Fig. 16: Potamyia panakeia, Fig. 17: Potamyia psamathe, Fig. 18: Potamyia renatae.

opencc-by-4.0Jun 2022View details →

Figure 8 in A quantitative method for collecting water mites in lotic, riffle-run habitats for water quality biomonitoring

Figure 8 The final composite, sieved water mite sample ready for the picking process.

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Data from: Spatial and temporal patterns of environmental DNA detection to inform sampling protocols in lentic and lotic systems

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publicNov 2020View details →

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Introgressive hybridization erodes morphological divergence between lentic and lotic habitats in an endangered minnow

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publicAug 2022View details →

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Data from: Predation drives morphological convergence in the Gambusia panuco species group among lotic and lentic habitats

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publicDec 2017View details →

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Data from: Identifying spawning sites and other critical habitat in lotic systems using eDNA "snapshots": a case study using the sea lamprey Petromyzon marinus L.

Many aquatic species of conservation concern exist at low densities and are inherently difficult to detect or monitor using conventional methods. However, the introduction of environmental (e)DNA has recently transformed our ability to detect these species and enables effective deployment of limited conservation resources. Identifying areas for breeding, as well as the ecological distribution of a species are vital to the survival or recovery of a conservation species (i.e. critical habitat). In many species, spawning events are associated with a higher relative abundance of DNA released within an aquatic system (i.e. gametes, skin cells etc.), making this the ideal time to monitor these species using eDNA techniques. This study aims to examine whether a 'snapshot' eDNA sampling approach (i.e. samples taken at fixed points in chronological time) could reveal areas of critical habitat including spawning sites for our target species Petromyzon marinus. We utilised a species-specific qPCR assay to monitor spatial and temporal patterns in eDNA concentration within two river catchments in Ireland over three consecutive years. We found that eDNA concentration increased at the onset of observed spawning activity and patterns of concentration increased from downstream to upstream over time, suggesting dispersal into the higher reaches as the spawning season progressed. We found P. marinus to be present upstream of several potential barriers to migration, sometimes in significant numbers. Out results also show that the addition of lamprey-specific fish-pass at an 'impassable' weir, although assisting in ascent, did not have any significant impact on eDNA concentration upstream after pass had been installed. eDNA concentration was also found to be significantly correlated with both the number of fish and the number of nests encountered. The application of snapshot sampling techniques for species monitoring therefore has substantial potential for the management of low-density species in fast-moving aquatic systems.

opencc-zeroDec 2017View details →

FIGURE 4. Relictorygmus habitat and distribution. A in A new, apparently lotic species of Relictorygmus from the Northern Cape Kamiesberg, South Africa (Coleoptera, Hydrophilidae, Cylominae)

FIGURE 4. Relictorygmus habitat and distribution. A) Type locality of R. riparius sp. nov., South Africa, Northern Cape Province, Kamiesberg (photo Andy Foggo); B) distribution of Relictorygmus species in South Africa. Green symbol = R. riparius sp. nov., red symbol = R. repentinus (Hebauer, 2002), yellow symbol = R. trevornoahi Seidel, Minoshima, ArriagaVarela & Fikáček, 2018.

FIGURE 3 in A new, apparently lotic species of Relictorygmus from the Northern Cape Kamiesberg, South Africa (Coleoptera, Hydrophilidae, Cylominae)

FIGURE 3. Relictorygmus species, detail of pronotal and elytral punctation. A) R. riparius sp. nov.; B) R. trevornoahi Seidel, Minoshima, Arriaga-Varela & Fikáček, 2018.

FIGURE 1. Relictorygmus species. A in A new, apparently lotic species of Relictorygmus from the Northern Cape Kamiesberg, South Africa (Coleoptera, Hydrophilidae, Cylominae)

FIGURE 1. Relictorygmus species. A) R. riparius sp. nov. holotype, dorsal habitus; B) R. riparius sp. nov. holotype, lateral habitus; C) R. riparius sp. nov. holotype frontal view of head; D) R. riparius sp. nov. holotype, aedeagus; E) R. trevornoahi Seidel, Minoshima, Arriaga-Varela & Fikáček, 2018 paratype, aedeagus; F) R. repentinus (Hebauer, 2002) holotype, aedeagus (after Seidel et al. (2018)). Scale bars A–C) = 1 mm; D–F) = 100 μm.

FIGURE 2 in A new, apparently lotic species of Relictorygmus from the Northern Cape Kamiesberg, South Africa (Coleoptera, Hydrophilidae, Cylominae)

FIGURE 2. Relictorygmus riparius sp. nov., paratype. A) venter; B) ventral view of head; C) prosetrnum; D) mesoventrite; E) detail of anterior mesoventrite; F) metaventrite; G) profemur; H) mesofemur; I) metafemur.

FIGURE 7 in Two new species of lotic breeding salamanders (Amphibia, Caudata, Hynobiidae) from western Japan

FIGURE 7. Dorsal (A) and lateral (B) views of a full-grown larva (Stage 62) of Hynobius sematonotos n. sp. from Higashihiroshima-shi, Hiroshima Prefecture (type locality). Dorsal (C), lateral (D), and ventral (E) views of a full-grown larva (Stage 63) of Hynobius oyamai n. sp. from Kitakyushu-shi, Fukuoka Prefecture (type locality). Scale bar shows 10 mm.

FIGURE 4 in Two new species of lotic breeding salamanders (Amphibia, Caudata, Hynobiidae) from western Japan

FIGURE 4. Dorsal and ventral views of male holotype (KUHE 30218) of Hynobius sematonotos n. sp. A, B), male holotype (KUHE 27267) of Hynobius oyamai n. sp. (C, D), and supposed topotypic male specimen (KUHE 28637) of H. naevius from Tara-cho, Saga Prefecture. Scale bar shows 50 mm.

FIGURE 3. Phylogenetic relationships among 26 in Two new species of lotic breeding salamanders (Amphibia, Caudata, Hynobiidae) from western Japan

FIGURE 3. Phylogenetic relationships among 26 Hynobius species and Salamandrella keyserlingii based on the complete cyt b gene estimated by maximum likelihood method. Numbers on the branches indicate ML bootstrap values.

FIGURE 2 in Two new species of lotic breeding salamanders (Amphibia, Caudata, Hynobiidae) from western Japan

FIGURE 2. Plot of first against second canonical variates from CAN for three species. Open circle: sp. A (=H. sematonotos n. sp.); open diamond: sp. B (=H. oyamai n. sp.); closed triangle: H. naevius. A=males; B=females.

FIGURE 5 in Two new species of lotic breeding salamanders (Amphibia, Caudata, Hynobiidae) from western Japan

FIGURE 5. vomerine teeth series of male holotype (KUHE 30218) of Hynobius sematonotos n. sp. (A), male holotype (KUHE 27267) of Hynobius oyamai n. sp. (B), and supposed topotypic male specimen (KUHE 28637) of H. naevius (C) from Taracho, Saga Prefecture. Scale bar indicates 1 mm.

opennotspecifiedAug 2019View details →

FIGURE 10 in A revision of Hynobius stejnegeri, a lotic breeding salamander from western Japan with a description of three new species (Amphibia, Caudata, Hynobiidae)

FIGURE 10. Map of western Japan showing distributional range of Hynobius stejnegeri and three new species. Range hatched by black: H.guttatus sp. nov.; range hatched by orange: H. tsurugiensis sp. nov.; range hatched by green: H. kuishiensis sp. nov.; range hatched by red: H. stejnegeri. Areas colored by brown and blue within the distributional range of H. kuishiensis sp. nov. indicate the ranges of the Ishizuchi-Kuishi lineage and the Oda lineage, respectively.