Fig 3
Cybister fumatus Sharp, 1882 (, Laos). A -habitus in dorsal view; B -habitus in ventral view; C -median lobe of aedeagus in lateral view; D -median lobe of aedeagus in ventral view; E -paramere. Scale bars: 5.0 mm (A, B), 1.0 mm (C-E).
Source publication
The genus Cybister Curtis, 1827 is reviewed with respect to the fauna of China. A new species, Cybister (Melanectes) danxiaensis sp. nov. is described and illustrated. Altogether, 16 Cybister species are recorded from China, although the status of two of them remains in question. All species are diagnosed, with their habitus and male genitalia illu...
Contexts in source publication
Context 1
... fumatus Sharp, 1882 Diagnosis. TL 22-24 mm, elongate, oblong-oval (Fig. 3A). Head dark green, clypeus yellow. Pronotum and elytra dark green, with distinct yellow margins laterally; apex of yellow margin on elytra slightly hooked. Ventral surface black; with lateral part of metaventrite and metacoxae yellow; abdominal ventrites III-V with a pale spot on each side (Fig. 3B). Dorsal surface smooth in both sexes. ...
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... Diagnosis. TL 22-24 mm, elongate, oblong-oval (Fig. 3A). Head dark green, clypeus yellow. Pronotum and elytra dark green, with distinct yellow margins laterally; apex of yellow margin on elytra slightly hooked. Ventral surface black; with lateral part of metaventrite and metacoxae yellow; abdominal ventrites III-V with a pale spot on each side (Fig. 3B). Dorsal surface smooth in both sexes. Prosternal process lanceolate, with distinct lateral bead, surface fl at, apex pointed; lateral parts of metaventrite tongue-shaped, slender, not reaching lateral margins; metacoxal lines distinct, well impressed, nearly parallel medially, divergent anteriorly, along metacoxal lines with a row of ...
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... along metacoxal lines with a row of punctures. Forelegs reddish-brown, midlegs and hindlegs reddish-brown to black; protarsomeres 1-3 of male broadly expanded into a palette, with four rows of adhesive setae on their ventral side; metatarsal claws single in both sexes. Median lobe of aedeagus ʻCʼ-shaped in lateral view, moderately curved (Fig. 3C); gradually narrowed from base to near apex in ventral view, apex furcate, with a deep acute-angled notch medially, lateral margins of apex straight and parallel (Fig. 3D). Parameres moderately broad, approximately the same width apically (Fig. ...
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... a palette, with four rows of adhesive setae on their ventral side; metatarsal claws single in both sexes. Median lobe of aedeagus ʻCʼ-shaped in lateral view, moderately curved (Fig. 3C); gradually narrowed from base to near apex in ventral view, apex furcate, with a deep acute-angled notch medially, lateral margins of apex straight and parallel (Fig. 3D). Parameres moderately broad, approximately the same width apically (Fig. ...
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... claws single in both sexes. Median lobe of aedeagus ʻCʼ-shaped in lateral view, moderately curved (Fig. 3C); gradually narrowed from base to near apex in ventral view, apex furcate, with a deep acute-angled notch medially, lateral margins of apex straight and parallel (Fig. 3D). Parameres moderately broad, approximately the same width apically (Fig. ...
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... This species inhabits ponds, abandoned paddy fi elds and ditches of paddy fi elds with aquatic plants (M Fig. 13. Cybister convexus Sharp, 1882 (, Kunming, Yunnan). A -habitus in dorsal view; B -habitus in ventral view; C -median lobe of aedeagus in lateral view; D -median lobe of aedeagus in ventral view; E -paramere. Scale bars: 5.0 mm (A, B), 1.0 mm ...
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... pronotum and elytra dark green to black, apex of elytra with reddish-brown spots. Ventral surface black; abdominal ventrites III-IV with a yellow spot on each side (Fig. ...
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... 1-3 of male broadly expanded into a palette, with four rows of adhesive setae on their ventral side; male with a single metatarsal claw; female with two metatarsal claws, posterior claw small and sinuate. Median lobe of aedeagus ʻCʼ-shaped in lateral view, slightly curved, broadest at middle, strongly narrowing in apical fi fth, apex rounded (Fig. 13C); broad medially in ventral view, apical fi fth slender like a tubular spine, apex truncated (Fig. 13D). Parameres moderately broad, strap-like apically (Fig. ...
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... male with a single metatarsal claw; female with two metatarsal claws, posterior claw small and sinuate. Median lobe of aedeagus ʻCʼ-shaped in lateral view, slightly curved, broadest at middle, strongly narrowing in apical fi fth, apex rounded (Fig. 13C); broad medially in ventral view, apical fi fth slender like a tubular spine, apex truncated (Fig. 13D). Parameres moderately broad, strap-like apically (Fig. ...
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... claws, posterior claw small and sinuate. Median lobe of aedeagus ʻCʼ-shaped in lateral view, slightly curved, broadest at middle, strongly narrowing in apical fi fth, apex rounded (Fig. 13C); broad medially in ventral view, apical fi fth slender like a tubular spine, apex truncated (Fig. 13D). Parameres moderately broad, strap-like apically (Fig. ...
Citations
... Images were edited with Adobe Photoshop CS6. The nomenclature of water beetles by the authors include Feng (1932Feng ( , 1933, Miller et al. (2007), Mori & Kitayama (1993), Miller & Bergsten (2016), Jiang et al. (2023). ...
... Comments. The morphological characteristics of the male of Cybister limbatus in this study are similar to those described by Jiang et al. (2023) Diagnosis. Length 24-28 mm. ...
... Comments. This species was first listed to Vietnam by Lukashuk et al. (2023)..The morphological characteristics of the male of Cybister tripunctatus lateralis (Fabricius, 1798) of Figure 3 in this study is similar described by Hendrich & Brancucci, (2013) and Jiang et al. (2023) by the main characteristics: body elongate, oblong-oval; head; pronotum and elytra; ventral surface; dorsal surface; metacoxal; forelegs, midlegs and hindlegs; protarsomeres; metafemora, median lobe of aedeagus and paramere. However, some undercolored specimens of Cybister tripunctatus lateralis (Fig. 4) has several different characteristics described by Jiang et al. (2023) (except paramere, median lobe of aedeagus) such as apex of yellow margin on the lanceolate hooked elytra; ventral surface yellow, with lateral part of metaventrite yellow; dorsal surface has small dots in male; forelegs, midlegs yellow. ...
The genus Cybister Curtis, 1827 is reviewed for the fauna of Vietnam. The 5 species are diagnosed with illustrated habitus, leg, and male genitalia. Additional measurement data, and an updated identification key for all species are provided. Two species Cybister convexus Sharp, 1882, and Cybister danxiaensis Zhuo-Yin Jiang, 2023, are recorded for the first time in Vietnam.
... The specimens were identified up to the species level by using available literature. For Dytiscidae, the literary works of Vazirani (1968) and Jiang et al (2023) were referred; for Noteridae Toledo (2008) was followed and for Hydrophilidae Schödl (1993), Jia and Wang (2010), and Nasserzadeh and Komarek (2017) were referred. The specimens are deposited in the Zoological Survey of India, Kolkata (NZSI). ...
... Elsewhere: Afghanistan, Bangladesh, Bhutan, Myanmar, Nepal, Pakistan, Sri Lanka, China, Cyprus, Iran, Iraq, Japan, Kyrgyzstan, Mongolia, Russia, Syria, Tajikistan, Turkey, Turkmenistan, Uzbekistan, and Europe (Ghosh and Nilsson 2012). Remarks: This species is widespread in artificial habitats such as irrigation canals, flooded rice fields, open swamps, fish ponds and ornamental ponds(Jiang et al 2023). They are predators and are considered pests in fish farming because they attack fish fry and parts of aquatic food webs. ...
With over, 13,000 species globally, water beetles exist in almost all types of freshwater habitats, such as rivers, springs, lakes, ditches, puddles, seeps, and groundwater. We examined over 121 water beetle samples from Dhurwa Dam, situated in Indian state of Jharkhand. The identification of the specimens yielded 15 species belonging to 12 genera and 3 families, Noteridae (1 species), Dytiscidae (6 species) and Hydrohilidae (8 species), which are reported for the first time from Dhurwa Dam. Additionally, Erichson, 1834, Cybister sugillatus Leiodytes orissaensis Sternolophus rufipes (Vazirani, 1969) and (Fabricius, 1792) are reported for the first time from Chota Nagpur Plateau in Jharkhand state. These results are based on recent collections, including observation notes on the species habitat. This study is intended to contribute to an appropriate discussion of the diversity of water beetles in the future. With intensive surveys of unexplored areas such as the Chota Nagpur Plateau in the state of Jharkhand, more species of water beetles are expected in the future.
... Taiwan: Taiwan Island, Kinmen Islands, Matsu Islands, and Penghu Islands Fan et al., 2000;Wu, 2004;Liu et al., 2020). This species is widely distributed from East Asia to Central Asia (Jiang et al., 2023b). ...
... This species was previously recorded by Wu (2003), but the specimens were not identified to subspecies. While we were unable to examine specimens from Matsu, both Ohba et al. (2020) and Jiang et al. (2023b) have shown that only Cybister tripunctatus lateralis (Fabricius, 1798) occurs in Taiwan and Southern China. Therefore, we assume that the report from the Matsu Islands refers to this subspecies. ...
This study reviewed the Hydradephaga and Hydrophilidae of the Matsu Islands in Taiwan. A total of ten species (eight identified species and two unidentified species) from three families were recorded in the Matsu Islands. Among them, Platynectes dissimilis (Sharp, 1873) is newly recorded for Taiwan, and four species are newly recorded for the Matsu Islands: Allodessus megacephalus (Gschwendtner, 1931), Dactylosternum cf. hydrophiloides (MacLeay, 1825), Helochares neglectus (Hope, 1845), and Sternolophus rufipes (Fabricius, 1792). Additionally, based on the photos provided by Wu (2003), we speculate that the Gyrinidae of the Matsu Islands is Dineutus orientalis (Modder, 1776).
The present study recorded a total of 30 species of diving beetles (Dytiscidae) under 12 genera and 5 subfamilies from the central region of Kerala State, India, of which Copelatus neelumae, Hydaticus discindens, Hydaticus incertus, Sandracottus festivus, Hydrovatus picipennis, Hydroglyphus pendjabensis, Clypeodytes bufo, Microdytes cameroni cf., Laccophilus auropictus cf., Laccophilus elegans and Cybister tripunctatus lateralis are new records to Kerala. The genus Clypeodytes is a first report from Kerala. Hydrovatus picipennis and Hydaticus incertus are new reports from South India. Short diagnoses of the new records are provided. A checklist of 62 species of diving beetles of Kerala is furnished by compiling the 30 species from this study with previous relevant studies. The updated checklist has 11 additions. A brief account of habitat preference and co-existence among Dytiscidae and an identification key for 30 species of diving beetles from the study area is provided.
The species list of Dytiscidae of Iran has been composed using recently studied material and all literature data known to us. We report 139 species of Iranian diving beetles including one Dytiscus
species of uncertain taxonomic position. Two species, Agabus amoenus Solsky, 1874 and Copelatus pulchellus (Klug, 1834) are
recorded for the first time from Iran. For 57 species, new provincial
records are provided. Twenty-two species and one genus have been excluded from the Iranian diving beetle fauna as based on misidentifications. The distributional pattern in Iran and preferred
habitat (if available) are summarised for each species and discussed in general
