Hydraena hosseinieorum Bilton & Jäch 1998

Trizzino, Marco, Carnevali, Lucilla, Felici, Stefano De & Audisio, Paolo, 2013, A revision of Hydraena species of the “ Haenydra ” lineage (Coleoptera, Hydraenidae) , Zootaxa 3607 (1), pp. 1-173 : 34-40

publication ID	https://doi.org/ 10.11646/zootaxa.3607.1.1
publication LSID	lsid:zoobank.org:pub:97967754-52CD-4334-8714-F41C7A63B068
persistent identifier	https://treatment.plazi.org/id/03EFC245-814C-FFBE-FF1D-F90EA6CFFE40
treatment provided by	Felipe
scientific name	Hydraena hosseinieorum Bilton & Jäch 1998
status

Treatment

19. Hydraena hosseinieorum Bilton & Jäch 1998 View in CoL

Hydraena (Haenydra) hosseinieorum Bilton & Jäch 1998: 344 View in CoL .

Male habitus: Fig. 18b View FIGURES 18 ; male genitalia: Fig. 18e View FIGURES 18 ; female elytral apex: Fig. 18m View FIGURES 18 ; geographic range: Fig. 19 View FIGURE 19 .

Type locality: Iran, Fars province, 80 km NW Shiraz, Bozghan Spring, ca. 2000 m a.s.l. (“ Bozghan Spring , ea. 2000 m a.s.l., ca. 80 km NW of Shiraz, Fars Province, Iran ”: Bilton & Jäch 1998) .

Primary types: Holotype at NMW.

Measurements: Length: 2.63–2.68 mm. EL/EW =1.79; PW/PL = 1.72; PW/EW = 0.95.

Diagnosis: Body dark brown to black. Palps and legs pale reddish brown. Labrum with a V-shaped notch on anterior margin. Clypeus with shallow rugose punctation closer the outer hind margins. Frons shiny on disc, with dense, and deep rugose punctation confluent around the inner margins of the eyes. Pronotum notably wide, broadly hexagonal. Pronotal disc shiny, strongly convex (more than in all other " Haenydra "), densely punctate near anterior and posterior margin, along midline and at posterior foveae. Elytra elongate, parallel - sided, distinctly impressed subbasally, widely explanate in lateral margin in both sexes. Elytral apex rounded and with a slightly prominent sutural notch in male, rounded and distinctly divergent in female ( Figs. 18b,m View FIGURES 18 ).

Male metatibiae with a relatively prominent dilatation in the inner edge of mesal third, and with a fringe of very long setae along mesal face of distal half.

Taxonomic position and diagnostic characters: Easily diagnosed from its closest allies from Turkey, Lebanon and Iran ( H. caucasica complex; Table 1) by the the notably wide and convex pronotum, the widely explanate elytra ( Fig. 18b,m View FIGURES 18 ) and the shape of male genitalia, characterized by an aedeagal main piece with ventral margin almost straight and with a wide and truncate apex ( Fig. 18e View FIGURES 18 ).

Habitat: Specimens belonging to this species were collected netting from limestone pebbles encrusted with algae, in spring pools at 2000 m a.s.l. ( Bilton & Jäch 1998).

Chorotype: IRAW (W Iranian Endemic).

Distribution: AS: IN ( Fig. 19 View FIGURE 19 ).

This species is known solely from two localities in Fars province (W Iran) (see Appendix 2 for all the detailed known localities).

DNA data: No data.

20. Hydraena berthelemyana Jäch, Díaz & Dia 2006

Hydraena (s. str.) berthelemyana Jäch, Díaz & Dia 2006: 109 View in CoL .

Male habitus: Fig. 18c View FIGURES 18 ; male genitalia: Fig. 18f View FIGURES 18 ; female elytral apex: Fig. 18n View FIGURES 18 ; geographic range: Fig. 19 View FIGURE 19 .

Type locality: Lebanon, basin of El Jaouz river , stream at bridge near Tannourine el Faouqa, 1350 m a.s.l. (“ LEBANON: Basin of El Jaouz stream nr. Tannourine el Faouqa ”: Jäch et al. 2006) .

Primary types: Holotype at NMW.

Measurements: Length: 2.0– 2.3 mm. EL/EW = 1.66; PW/PL = 1.50; PW/EW = 0.82.

Diagnosis: Body dark brown. Palps and legs pale reddish brown. Labrum with a V-shaped notch on anterior margin. Clypeus relatively smooth and shiny in male. Frons densely punctate in lateral regions. Pronotum relatively wide, sub-hexagonal, with external angles moderately rounded. Pronotal disc convex, densely punctate near anterior and posterior margin, along midline and at posterior foveae. Elytra elongate, parallel - sided in the proximal half, apically convergent in both sexes; elytral margin slightly explanate ( Figs. 18c,n View FIGURES 18 ). Male mesotibiae dilated in the inner edge of distal third; male metatibiae with a prominent dilatation in the inner edge of mesal third, and with a bushy fringe of long setae along mesal face of distal half.

Taxonomic position and diagnostic characters: Easily diagnosed from its closest allies from Turkey, Lebanon and Iran ( H. caucasica complex; Table 1) by differently shaped elytra ( Figs. 18c,n View FIGURES 18 ), the peculiar pubescence in male metatibiae, and male genitalia ( Fig. 18f View FIGURES 18 ). Distinct from its two sibling species H. fontiscarsavii and H. orthosia by means of the outline (in lateral view) of the aedeagal main piece, which is narrower (in lateral view) and with ventral margin strongly convex around the distal third ( Fig. 18f View FIGURES 18 ).

Habitat: This species was collected under stones in cold fastflowing streams, above 1000 m a.s.l.

Chorotype: SYPA (Syro-Palestinian endemic).

Distribution: AS: LE ( Fig. 19 View FIGURE 19 ).

This species is known from a few localities in three river basins in N Lebanon (Abou Ali, El Jaouz and Ibrahim rivers) (see Appendix 2 for all the detailed known localities).

DNA data: No data.

21. Hydraena orthosia Jäch, Díaz & Dia 2006

Hydraena (s. str.) orthosia Jäch, Díaz & Dia 2006: 108 View in CoL .

Male genitalia: Fig. 18g View FIGURES 18 ; female elytral apex: Fig. 18o View FIGURES 18 ; geographic range: Fig. 19 View FIGURE 19 .

Type locality: Lebanon , basin of El Bared river, spring near Sir el Danniyeh, 950 m a.s.l. (“ LEBANON: Basin of El Bared, El Ksaim [Sir el Danniyeh, not El Ksaim] spr. brook nr. vill. Sir el Danniyeh ”: Jäch et al. 2006) .

Primary types: Holotype at NMW.

Measurements: Length: 2.1–2.3 mm. EL/EW = 1.66; PW/PL = 1.50; PW/EW = 0.82.

Diagnosis: Male habitus indistinguishable from H. berthelemyana ( Fig. 18c View FIGURES 18 ), although elytra of H. orthosia are slightly more ovoid (less parallel-sided) (see fig. 9 in Jäch et al. 2006; Fig. 18m View FIGURES 18 ).

Taxonomic position and diagnostic characters: See differential diagnosis of H. berthelemyiana .

Habitat: This species was collected under stones in spring brooks between 950 and 1800 m a.s.l.

Chorotype: SYPA (Syro-Palestinian endemic).

Distribution: AS: LE ( Fig. 19 View FIGURE 19 ).

This species is known from a few localities in the El Bared basin (N Lebanon) (see Appendix 2 for all the detailed known localities).

DNA data: No data.

22. Hydraena fontiscarsavii (Jäch 1988)

Haenydra fontiscarsavii Jäch 1988b: 769 .

Male genitalia: Fig. 18h View FIGURES 18 female elytral apex: Fig. 18p View FIGURES 18 ; geographic range: Fig. 19 View FIGURE 19 .

Type locality: Turkey, Hakkari province, small spring on carbonatic substrate near Hakkari (“ Hakkari (50) Karstquelle ”: Jäch 1988) .

Primary types: Holotype at NMW.

Measurements: Length: 2.0 mm. EL/EW = 1.66; PW/PL = 1.50; PW/EW = 0.82.

Diagnosis: Male habitus indistinguishable from H. berthelemyana ( Fig. 18c View FIGURES 18 ), with a variable body colouration, ranging from reddish brown to black.

Taxonomic position and diagnostic characters: See differential diagnosis of H. berthelemyiana .

Habitat: This species was collected under stones in cold fastflowing streams with carbonatic substrates, above 1500 m a.s.l.

Chorotype: KURD (Kurdish Endemic).

Distribution: AS: IN, TR ( Fig. 19 View FIGURE 19 ).

This species is relatively widely distributed, ranging from eastern Taurus Mts. In S Turkey, to NW Iran (see Appendix 2 for all the detailed known localities).

DNA data: For this species, mtDNA data (COI, 16S rDNA, tRNA leu and NAD1) are available in GenBank ( Trizzino et al. 2011b).

23. Hydraena planata Kiesenwetter 1849

Hydraena angustata Kolenati 1846 View in CoL , nec Sturm 1836: 77; d’Orchymont 1935: 5;

Hydraena planata Kiesenwetter 1849: 179 View in CoL .

Male habitus: Fig. 20a View FIGURES 20 ; male genitalia: Fig. 20b View FIGURES 20 ; female elytral apex: Fig. 20f View FIGURES 20 ; geographic range: Fig. 21 View FIGURE 21 .

Type locality: Armenia and Azerbaijan (“ Armenien und die Provinz Elisabethopol. In der subalpinen Region in Bächen”: Kiesenwetter 1849). Jäch & Díaz (2006) suggested Gäncä (= Gandsha, = Gandja, = Ganja, = Elisabethopol, in Azerbaijan) as the most likely specific type locality.

Primary types: Lectotype ( ZSM) designated by d’Orchymont (1935).

Measurements: Length: 2.15 – 2.25 mm. EL/EW = 1.57; PW/PL = 1.45; PW/EW = 0.76.

Diagnosis: Body dark brown to almost black. Palps and legs pale reddish brown. Labrum with a notably deep V-shaped notch on anterior margin. Fronto - clypeal suture arcuate, not strongly impressed. Middle of frons moderately densely punctate, lateral regions rugosely punctate. Pronotum cordiform, distinctly wider than longer, with anterior margin concave. Pronotal disc strongly convex, densely punctate near anterior and posterior margin, along midline and at posterior foveae. Elytra markedly elongate, parallel - sided and apically produced. Explanate elytral margin notably wide and long, reaching elytral apex. Elytral apex subtruncate in male, markedly sinuate in female ( Fig. 20a,f View FIGURES 20 ). Male mesotibiae distinctly dilated in the inner edge of distal third; male metatibiae straight and with a fringe of moderately long setae along mesal face of distal half.

Taxonomic position and diagnostic characters: Easily diagnosed from its putatively closest allies from Turkey ( H. caucasica complex; Table 1) by the wider pronotum, the elongate and explanate elytra, and the not dilated metatibiae ( Fig. 20a,f View FIGURES 20 ). Moreover, H. planata can be distinguished from its sibling H. prokini , H. krasnodarensis and H. solodovnikovi by the differently shaped apical half of the aedeagal main piece ( Fig. 20b View FIGURES 20 ), and by female elytral apex ( Fig. 20f View FIGURES 20 ).

Habitat: No details are known about habitat typology for this species, which has not been collected since 1849 ( Jäch & Díaz 2006).

Chorotype: CAUC (Caucasian Endemic).

Distribution: EUR: AB, AR?, GG ( Fig. 21 View FIGURE 21 ).

H. planata is known with certainty from Azerbaijan and with some reservations from Georgia (both Georgian males lack their aedeagi, as reported in Jäch & Díaz 2006). The occurrence of H. planata in modern Armenia must be confirmed (see Appendix 2 for all the known localities).

DNA data: No data.

24. Hydraena solodovnikovi Jäch & Díaz 2006

Hydraena (s. str.) solodovnikovi Jäch & Díaz 2006: 64 View in CoL .

Male genitalia: Fig. 20c View FIGURES 20 ; female elytral apex: Fig. 20g View FIGURES 20 ; geographic range: Fig. 21 View FIGURE 21 .

Type locality: Russia, Krasnodar region, Sotchi district, 12 km NE Dagomys, near Rota, small left tributary of River West Dagomys , 150 m a.s.l. (“ Small left tributary (ca. 0.3–0.4 m wide) of River West Dagomys , ca. 150 m a.s.l., near village 3- Rota , ca. 12 km NE Dagomys, Sotchi District , southern Krasnodarskiy Kray , southern Russia ”: Jäch & Díaz 2006) .

Primary types: Holotype at NMW.

Measurements: Length: 2.1 – 2.3 mm. EL/EW = 1.57; PW/PL = 1.45; PW/EW = 0.76.

Diagnosis: Male habitus indistinguishable from H. planata ( Fig. 20a View FIGURES 20 ).

Taxonomic position and diagnostic characters: See differential diagnosis of H. planata .

Habitat: This species was collected under stones in small fastflowing streams within Fagus +Castanea, Fagus +Buxus and Fagus +Carpinus forests, between 150 and 700 m a.s.l. ( Jäch & Díaz 2006).

Chorotype: CAUC (Caucasian Endemic).

Distribution: EUR: RU ( Fig. 21 View FIGURE 21 ).

H. solodovnikovi is so far known solely from a few localities in the surroundings of Sotchi, in S Krasnodar province (see Appendix 2 for all the detailed known localities).

DNA data: For this species, mtDNA data (COI) are available in GenBank ( Trizzino et al. 2011b).

25. Hydraena krasnodarensis Jäch & Díaz 2006

Hydraena (s. str.) krasnodarensis Jäch & Díaz 2006: 62 View in CoL .

Male genitalia: Fig. 20d View FIGURES 20 ; female elytral apex: Fig. 20h View FIGURES 20 ; geographic range: Fig. 21 View FIGURE 21 .

Type locality: Russia, Krasnodar region, Khosta district, 13 km ENE Sotchi, Dikar'ka river, ca. 2.0– 2.5 m wide, 150 m a.s.l. (“ River Dikar’ka (right tributary of River Matzesta ), ca. 2.0– 2.5 mm wide, 13 km ENE Sotchi, ca. 200 m a.s.l., Khosta District , southern Krasnodarskiy Kray , southern Russia ”: Jäch & Díaz 2006) .

Primary types: Holotype at NMW.

Measurements: Length: 2.15 – 2.25 mm. EL/EW = 1.57; PW/PL = 1.45; PW/EW = 0.76.

Diagnosis: Male habitus indistinguishable from H. planata ( Fig. 20a View FIGURES 20 ).

Taxonomic position and diagnostic characters: See differential diagnosis of H. planata .

Habitat: This species was collected under stones in a small fastflowing stream ca. 2.0– 2.5 m wide, at 150 m a.s.l. ( Jäch & Díaz 2006).

Chorotype: CAUC (Caucasian Endemic).

Distribution: EUR: RU ( Fig. 21 View FIGURE 21 ).

H. krasnodarensis is so far known solely from the type locality (S Krasnodar) .

DNA data: No data.

NMW	Naturhistorisches Museum, Wien
ZSM	Bavarian State Collection of Zoology

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Taxonomy

Kingdom	Animalia
Phylum	Arthropoda
Class	Insecta
Order	Coleoptera
Family	Hydraenidae
Genus	Hydraena