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Bugs R all March 2011 FINAL daniel - Zoo Outreach Organisation

Bugs R all March 2011 FINAL daniel - Zoo Outreach Organisation

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A preliminary report on the predaceous diving beetles (DyEscidae: Coleoptera) of Binsar Wildlife Sanctuary, U/arakhandSujit Ghosh, Paramita Ghosh & Bulganin Mitra<strong>Zoo</strong>logical Survey of India, KolkataIt is always interesting to study the aquatic life of con-­servation areas particularly on aquatic beetle fauna. Dytiscidae (predaceous water beetles) is one of the largest and most commonly encountered groups of aquatic beetles. Both adults and larvae are predaceous, and will attack a wide variety of sm<strong>all</strong> aquatic organisms.Binsar (Alt. 2412 mts.) is a compara,vely sm<strong>all</strong> wildlife sanctuary in UIarakhand, covering only an area of 47.04 sq. kms, situated 30 kms north of the state Uttara-­khand. Today, Binsar supports a wide variety of floral species, faunal species as well as avi-­‐fauna including some of the unique species found in the Himalayan range. But nothing has been reported on the aquatic beetle fauna of this sanctuary.In view to study the aquatic beetle fauna of Binsar wild-­life sanctuary of Uttarakhand an attempt has been made. This present communication reports five species of predaceous beetle of Binsar wildlife sanctuary along with their taxonomic keys, valid scientific names and zoogeopgraphical distribution in India and outside India.Subfamily Hydroporinae Tribe HydroporiniGenus Potamonectes Zimmermann, 19211 . Potamonectes b<strong>all</strong>i Vazirani 1970. Potamonectes (s. str.) b<strong>all</strong>i Vazirani, Orient. Ins., 4: 127, Type-­‐Locality: Pakistan: Khewra Salt range.Material examined: 4 exs., UIarakhand, dist. Almora, Binsar, l.ix.2003, coll. B. Mitra. Distribution: INDIA : Himachal Pradesh, Uttarakhand ; PAKISTAN .Subfamily Colymbetinae Key to the tribes1. Metafemora with a group of cilia at the posterior apical angle .................................................................AgabiniMetafemora without a group of cilia at the posterior apical angle ........................................................22. Posterior claws equal ...............................HydronebriniPosterior claws unequal ................................ColymbetiniTribe Agabini Genus Agabus Leach, 1817Key to the Subgenera1. Anterior series of punctures on pronotum not inter-­rupted in middle ............................................Gaurodytes—Anterior series of punctures on pronotum interrupted in middle .......................................................Dichonectes2. Agabus (Dichonectes) biguttatus (Oliver)1775. Dytiscus biguttatus Oliver, Hist. nat. Ins. Coleop-­teres, 3 no. 40: 26 (Type-­‐Locality: France 'Fregus' )1882. Agabus biguttatus: Sharp, Sci. trans. R. Dublin Soc, 2 : 4991958. Agabus (Dichonectes) biguttatus Guignot, Bull. Mens. Soc. Linn. Lyon. 27: 291977. Agabus (Dichonectes) biguttatus: Vazirani, Cat. Orient. Dytiscid, 6: 62Material examined: 6 exs., Uttarakhand, dist. Almora, Binsar, 30.ix.200l, coll. B. Mitra.Distribution : INDIA: Uttarakhand, Kashmir; IRAN; AFGAN-­‐ISTAN; MONGOLIA; U.S.S.R.; TURKESTAN; ASIA MINOR; NORTH & N. E. AFRICA; EUROPE.3. Agabus (Gaurodytes) amoenus sinuaticollis Regim-­bart1899. Agabus sinuaticollis Regimbart, Ann. Soc. Ent.Fr. 68 : 2711933. Agabus amoenus Solsky, Ann.Soc.ent.Fr., 68: 176.1970. Agabus (Gaurodytes) amoenus sinuaticollis: Vazi-­rani, Orient. Insect., 4:336.Material examined: 2exs., UIarakhand, dist. Almora, Binsar, 30.ix.2001, coll. B. Mitra. Distribution: INDIA : Uttarakhand , Himachal Pradesh, Meghalaya; CHINA.Tribe Hydronebrini Genus Platynectes Regimbart, 18874. Platynectes kashmirensis Balfour-­‐ Brown1944. Platynectes kashmirensis Balfour-­‐ Brown, Ann. Mag. nat. Hist., (II) 11: 352. nom.nov.Type-­‐locality: Kashmir 1977. Platynectes kashmirensis..Vazirani, Cat. Orient. Dytiscid,Material examined: 4 exs., Uttarakhand, dist. Almora, Binsar, 30.ix.2001, coll. B. Mitra.<strong>Bugs</strong> R A! No. 17 <strong>March</strong> <strong>2011</strong> 19

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