Ranking of Public Libraries in Khorasan Razavi Province Based
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Arachnida: Araneae)
Iranian Journal of Animal Biosystematics (IJAB) Vol. 1, No. 1, 59-66, 2005 ISSN: 1735-434X Faunistic study of spiders in Khorasan Province, Iran (Arachnida: Araneae) OMID MIRSHAMSI KAKHKI* Zoology Museum, Faculty of Sciences, Ferdowsi University of Mashhad, IRAN The spiders of Iran are still very incompletely known. As a result of the study of spider fauna in different localities of Khorasan Province and other studies which have been done by other workers a total of 26 families, 63 genera and 95 species are recorded from these areas. Distribution in Khorasan Province and in the world, field and some taxonomic notes are given for each species. Available biological or ecological data are provided. Key Words: Araneae, spider fauna, Khorasan, Iran INTRODUCTION The order Araneae ranks seventh in global diversity after the five insect orders (Coleoptera, Hymenoptera, Lepidoptera, Diptera, and Hemiptera) and Acarina among the Arachnids in terms of species described (Coddington and Levi, 1991). Because spiders are not studied thoroughly estimation of total diversity is very difficult. On the basis of records, the faunas of Western Europe, especially England, and Japan are completely known, and areas such as South America, Africa, the pacific region and the Middle East are very poorly known (Coddington and Levi, 1991). Platnick in his World Spider Catalog (2005) has estimated that there are about 38000 species worldwide, arranged in 110 families. Despite this diversity among spiders, limited studies could be found in literature on spider fauna of Iran. Indeed, taxonomic and faunistic studies on spiders of Iran have begun during the last 10 years. Before that our knowledge of Iranian spiders was limited to the studies of some foreign authors such as Roewer (1955); Levi (1959); Kraus & Kraus (1989); Brignoli (1970, 72, 80, 81); Senglet (1974); Wunderlich (1995); Levy & Amitai (1982); Logunov (1999,2001,2004); Logunov et al (1999, 2002); Saaristo et al(1996) . -
Mayors for Peace Member Cities 2021/10/01 平和首長会議 加盟都市リスト
Mayors for Peace Member Cities 2021/10/01 平和首長会議 加盟都市リスト ● Asia 4 Bangladesh 7 China アジア バングラデシュ 中国 1 Afghanistan 9 Khulna 6 Hangzhou アフガニスタン クルナ 杭州(ハンチォウ) 1 Herat 10 Kotwalipara 7 Wuhan ヘラート コタリパラ 武漢(ウハン) 2 Kabul 11 Meherpur 8 Cyprus カブール メヘルプール キプロス 3 Nili 12 Moulvibazar 1 Aglantzia ニリ モウロビバザール アグランツィア 2 Armenia 13 Narayanganj 2 Ammochostos (Famagusta) アルメニア ナラヤンガンジ アモコストス(ファマグスタ) 1 Yerevan 14 Narsingdi 3 Kyrenia エレバン ナールシンジ キレニア 3 Azerbaijan 15 Noapara 4 Kythrea アゼルバイジャン ノアパラ キシレア 1 Agdam 16 Patuakhali 5 Morphou アグダム(県) パトゥアカリ モルフー 2 Fuzuli 17 Rajshahi 9 Georgia フュズリ(県) ラージシャヒ ジョージア 3 Gubadli 18 Rangpur 1 Kutaisi クバドリ(県) ラングプール クタイシ 4 Jabrail Region 19 Swarupkati 2 Tbilisi ジャブライル(県) サルプカティ トビリシ 5 Kalbajar 20 Sylhet 10 India カルバジャル(県) シルヘット インド 6 Khocali 21 Tangail 1 Ahmedabad ホジャリ(県) タンガイル アーメダバード 7 Khojavend 22 Tongi 2 Bhopal ホジャヴェンド(県) トンギ ボパール 8 Lachin 5 Bhutan 3 Chandernagore ラチン(県) ブータン チャンダルナゴール 9 Shusha Region 1 Thimphu 4 Chandigarh シュシャ(県) ティンプー チャンディーガル 10 Zangilan Region 6 Cambodia 5 Chennai ザンギラン(県) カンボジア チェンナイ 4 Bangladesh 1 Ba Phnom 6 Cochin バングラデシュ バプノム コーチ(コーチン) 1 Bera 2 Phnom Penh 7 Delhi ベラ プノンペン デリー 2 Chapai Nawabganj 3 Siem Reap Province 8 Imphal チャパイ・ナワブガンジ シェムリアップ州 インパール 3 Chittagong 7 China 9 Kolkata チッタゴン 中国 コルカタ 4 Comilla 1 Beijing 10 Lucknow コミラ 北京(ペイチン) ラクノウ 5 Cox's Bazar 2 Chengdu 11 Mallappuzhassery コックスバザール 成都(チォントゥ) マラパザーサリー 6 Dhaka 3 Chongqing 12 Meerut ダッカ 重慶(チョンチン) メーラト 7 Gazipur 4 Dalian 13 Mumbai (Bombay) ガジプール 大連(タァリィェン) ムンバイ(旧ボンベイ) 8 Gopalpur 5 Fuzhou 14 Nagpur ゴパルプール 福州(フゥチォウ) ナーグプル 1/108 Pages -
New Data on Spider Fauna of Iran (Arachnida: Araneae), Part II Alireza Zamania, Omid Mirshamsib,C*, Behnaz Jannesarb, Yuri M
Zoology and Ecology, 2015 Vol. 25, No. 4, 339–346, http://dx.doi.org/10.1080/21658005.2015.1068508 New data on spider fauna of Iran (Arachnida: Araneae), Part II Alireza Zamania, Omid Mirshamsib,c*, Behnaz Jannesarb, Yuri M. Marusikd and Sergei L. Esyunine aDepartment of Animal Biology, School of Biology and Centre of Excellence in Phylogeny of Living Organisms in Iran, College of Science, University of Tehran, Tehran, Iran; bFaculty of Sciences, Department of Biology, Ferdowsi University of Mashhad, Mashhad, Iran; cFaculty of Sciences, Research Department of Zoological Innovations (RDZI), Institute of Applied Zoology, Ferdowsi University of Mashhad, Mashhad, Iran; dInstitute for Biological Problems of the North RAS, Portovaya Str. 18, Magadan 685000, Russia; eDepartment of Zoology, Perm State University, Bukire St. 15, Perm, Russia (Received 28 October 2014; accepted 26 June 2015) In this paper, which is the second devoted to spiders of Iran, faunistic records of one family, 12 genera and 30 species that are new to the fauna of Iran are presented. The recorded species are as follows: Aculepeira talishia (Zawadsky, 1902); Araneus circe (Audouin, 1826); Hypsosinga heri (Hahn, 1831); Leviellus caspicus (Simon, 1889); Dysderella transcaspica (Dunin & Fet, 1985); Berlandina plumalis (O. Pickard-Cambridge, 1872); Fedotovia uzbekistanica Charitonov, 1946; Haplodrassus signifier (C. L. Koch, 1839); Micaria lenzi Bösenberg, 1899; Agroeca cuprea Menge, 1873; Evippa apsheronica Marusik, Guseinov & Koponen, 2003; Mysmenella jobi (Kraus, 1967); Oecobius nadiae (Spassky, 1936); Uroctea grossa Roewer, 1960; Oxyopes globifer Simon, 1876; Peucetia arabica Simon, 1882; Thanatus kitabensis Charitonov, 1946; Thanatus pictus L. Koch, 1881; Phrurolithus festivus (C. L. Koch, 1835); Zimiris doriai Simon, 1882; Tetragnatha pinicola C. -
Curriculum Vitae (CV) Last Update: Oct 2, 2017 1- Contact and Personal Info: 2- Short Biography
Curriculum Vitae (CV) Last update: Oct 2, 2017 1- Contact and Personal info: Name & last name: Pezhman Bagheri Birth date: September 19, 1983 Place of birth: Marvdasht, Iran Nationality: Iranian Marital status: Married Children: one daughter – one son Gender: male Academic Rank: lecturer Field: Epidemiology (Msc), Phd Candidate in Epidemiology, Shiraz University of Medical Science Position: full time - primary faculty member, Fasa university of medical science Google scholar profile: https://scholar.google.com/citations?hl=en&pli=1&user=u62LovIAAAAJ Email: [email protected], [email protected] , [email protected] Address: Department of Epidemiology, School of Health and Nutrition, Shiraz University of Medical Sciences, Shiraz, Iran Phone Number: +98 711 37251001- (223) 2- Short biography: I was born in September 19, 1983 in Marvdasht , a northeast city in Fars Province in Iran. After completing primary education and get a diploma in Natural sciences (2001) , in 2002, I was accepted in entrance examination in Associate’s degree of public health in Yasooj university of medical science. After that, in 2004, I was accepted in the undergraduate degree exam for Bachelor’s degree of Medical Entomology in Ahvaz University of Medical Sciences. In 2006, I went to military service and finished it in 2008. Next, in 2009, I was accepted in the graduate degree exam for Master’s Degree of epidemiology in Kerman University of Medical Sciences. In April 2012, I defended of my thesis and graduated. After that, I engaged in Social Development and Health Promotion Research Center of Gonabad University of Medical Sciences as a researcher and also as a tuition lecturer in the school of public Health. -
Description of a New Species of Hersiliola and the Male of Duninia Rheimsae Marusik & Fet, 2009 from Iran (Araneae: Hersiliidae)
Turkish Journal of Zoology Turk J Zool (2017) 41: 624-629 http://journals.tubitak.gov.tr/zoology/ © TÜBİTAK Research Article doi:10.3906/zoo-1609-53 Description of a new species of Hersiliola and the male of Duninia rheimsae Marusik & Fet, 2009 from Iran (Araneae: Hersiliidae) 1 2,3, 4,5,6 Alireza ZAMANI , Omid MIRSHAMSI *, Yuri M. MARUSIK 1 School of Biology, College of Sciences, University of Tehran, Tehran, Iran 2 Department of Biology, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran 3 Research Department of Zoological Innovations, Institute of Applied Zoology, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran 4 Institute for Biological Problems of the North RAS, Magadan, Russia 5 Department of Zoology & Entomology, University of the Free State, Bloemfontein, South Africa 6 Zoological Museum, University of Turku, Turku, Finland Received: 27.09.2016 Accepted/Published Online: 16.02.2017 Final Version: 17.07.2017 Abstract: Hersiliola artemisiae sp. nov. is described from central and south-central regions of Iran. In addition, the male of Duninia rheimsae Marusik & Fet, 2009 is described for the first time and compared with two other congeners, D. darvishi Mirshamsi & Marusik, 2013 and D. baehrae Marusik & Fet, 2009. Key words: Aranei, spider, fauna, Iranian Plateau, Middle East 1. Introduction using an Olympus E-520 camera attached to an Olympus The spider family Hersiliidae Thorell, 1870 is a relatively SZX16 stereomicroscope at the Zoological Museum of the small, globally distributed family comprising 196 fossil University of Turku. In order to provide a complete depth of and extant species placed in 23 genera (http://wsc. -
Razavi Khorasan
Razavi Khorasan Ahmadabad-e-Solat City Ahmadabad-e-Solat Franchise Office Dadepardazan Kian Gostar Jaam CEO Saeed Nezam Nazari Sales & Technical Support Phone Number (051)91000000 Fax (051)91000003 Sales’ Email [email protected] Technical Support’s Email [email protected] Customer Affairs Phone Number (051)52546556 Enterprise Solutions & Bandwidth Dept. Phone (051)52546556 Number Mahdiyeh Building, Ground Floor, Between Qoran Address Junction and Coca Cola Company, Shahid Dehqan 18, Nezami St. Postcode 9571898684 In-person visits: 08:00-20:00 (Business Days); Sales Working Hours & Technical Support Call Center: 24 Hours Anabad City Anabad Shatel Information & Communication Technology Franchise Office Group CEO Hamidreza Farhadi Sales & Technical Support Phone Number (051)91000000 Fax (051)91000003 Sales’ Email [email protected] Technical Support’s Email [email protected] Customer Affairs Phone Number (051)91000000 Enterprise Solutions & Bandwidth Dept. Phone (051)91000999 Number Alton Tower, 19th Floor, #10 & 13, Daneshgah St., Address Mashhad Postcode 9138833114 In-person visits: 08:00-20:00 (Business Days); Working Hours Sales & Technical Support Call Center: 24 Hours Bakhazar City Bakhazar Franchise Office Fatemeh Assadi CEO Fatemeh Assadi Sales & Technical Support Phone Number (051)91000000 Fax (051)91000003 Sales’ Email [email protected] Technical Support’s Email [email protected] Customer Affairs Phone Number (051)54823800 Enterprise Solutions & Bandwidth Dept. Phone (051)54823800 Number Address Between Valiasr 3 & 5, Valiasr St., Bakhazar Postcode 9597135117 In-person visits: 08:00-20:00 (Business Days); Working Hours Sales & Technical Support Call Center: 24 Hours Bayg City Bayg Franchise Office Mohammadreza Nojavan CEO Mohammadreza Nojavan Sales & Technical Support Phone Number (051)91000000 Fax (051)91000003 Sales’ Email [email protected] Technical Support’s Email [email protected] Customer Affairs Phone Number (051)52242440 Enterprise Solutions & Bandwidth Dept. -
Active Tectonics of the Dasht-E Bayaz Fault (Ene Iran)
UNIVERSITE AIX-MARSEILLE Centre Européen de Recherche et d’Enseignement en Géosciences de l’Environnement N° attribué par la bibliothèque : ACTIVE TECTONICS OF THE DASHT-E BAYAZ FAULT (ENE IRAN) Tectonique active de la faille de Dasht-é Bayaz (ENE de l’Iran) THESE Pour obtenir le grade de DOCTEUR DE L’UNIVERSITE AIX-MARSEILLE Faculté des Sciences et Techniques Discipline : Géosciences de l’environnement Présentée et soutenue publiquement par Fariborz BANIADAM Le 16 Juillet 2019 au CEREGE Directeurs de thèse Olivier BELLIER et Esmaeil SHABANIAN Ecole Doctorale : Sciences de l’Environnement Jury Dr. Christine AUTHEMAYOU, MCF, Université de Bretagne occidentale Rapporteure Pr. Carole PETIT, Université de Nice Sophia Antipolis, UMR Géoazur Rapporteure Pr. Federico ROSSETTI, Université Roma III Examinateur Dr. Lucilla BENEDETTI, Dr CNRS, CEREGE Présidente Pr. Olivier BELLIER, Université Aix-Marseille, CEREGE Directeur Dr. Esmaeil SHABANIAN, Assistant professor, Institute for Advanced Studies in Basic Sciences, Zanjan Co-Directeur ANNEE: 2019 Tectonique active de la faille de Dasht-é Bayaz (ENE de l’Iran) Résumé La convergence entre l’Arabie et l’Eurasie est accommodée à travers tout le plateau iranien et particulièrement le long de chaînes de montagnes qui localement structurent le Plateau. Les failles décrochantes ont un rôle principal dans la déformation du plateau iranien et dans l’accommodation de la convergence. Elles sont d’autre part responsables de plusieurs séismes majeurs à l’Est de l’Iran. Le rôle de la faille senestre décrochante et activement séismique de Dasht-e Bayaz qui est perpendiculaire aux mouvements du plateau, a été souvent débattu dans l’accommodation de la convergence d’Arabie-Eurasie. -
Interactive Effect of Saffron Extracts and Acute Resistance Exercise on Serum Paraoxonase-1 Activity and C-Reactive Protein
Medicina Sportiva (2015), vol. XI, no 4, 2682-2688 Journal of the Romanian Sports Medicine Society 2682 Interactive effect of Saffron extracts and acute resistance exercise on serum Paraoxonase-1 activity and C-reactive protein Mahboobe Ajam Zibad1, Mohammad Esmaeil Afzalpour1, Seyed Hossein Abtahi2, Marziyeh Saghebjoo1, Mohammad Hossein Zadeh3 1Faculty of Physical Education & Sport Sciences, University of Birjand, Birjand, Iran 2Department of Biochemistry, Gonabad University of Medical Sciences, Gonabad, Iran 3Faculty of Physical Education & Sport Sciences, Islamic Azad University of Neyshabur, Iran Abstract. Acute and heavy exercises may increase oxidative stress and thereby suppress antioxidant defense system; thus it is necessary to take nutrition strategies to help athletes. The aim of this study was to evaluate the effect of 4-week consumption of saffron extract on the serum activity of PON1 enzyme and CRP in healthy young women following one session of acute resistance training. This study was a semi-experimental research. Therefore, 30 young non-athlete healthy women were divided randomly into three groups including resistance training, resistance training plus saffron extract and control groups. Following the supplementary period (4 weeks, 30 mg per day), the subjects performed a session of acute resistance training at %80 of 1RM (one repetition maximum). At the end of the supplementary period, blood samples were taken before and after the training. Kruskal-Wallis and Mann-Whitney U-tests were used. Significance was considered below 0.05 (p < 0.05). Results of the present study indicated that PON1 activity increased significantly in resistance training plus saffron extract groups and resistance training (p= 0.04, p=0.00 respectively), while mean difference of PON1 activity did not show significant difference between above-mentioned groups. -
Reise in Den Nordosten Irans
Vogelgespräche und der Weisheit Edelstein Reise in den Nordosten Irans September/Oktober / 22 Tage Auf der Seidenstrasse von Teheran aus in Richtung Osten zur heiligen Stadt Mashhad und bei der anschliessenden Umrundung der grossen Salzwüste erwarten Sie grossartige Städte, Sufi-Klöster, Mausoleen, Oasen, Medresen, Vulkangebirge, Moscheen, Sanddünen, Windmühlen, Bazars, Geisterdörfer, Handwerksbetriebe, schweigende Türme, Karawansereien, armenische Kirchen, zoroastrische Feuertempel, Taubentürme, Zitadellen, Minarette, Salzpfannen sowie viele warmherzige Begegnungen. Reiseverlauf (Kleine Änderungen vorbehalten) 01. Tag Zug Schweiz – Frankfurt Flughafen, Flug Frankfurt - Teheran (2 Ü Hotel Grand Ferdowsi **** in Teheran) 02. Tag Besichtigungen in Teheran. 03. Tag Fahrt nach Bastam über Semnan – Ahovan – Damghan (1 Ü Hotel Tourist Inn ** in Bastam) 04. Tag Besichtigungen in Bastam. Fahrt nach Mashhad über Miyandasht – Mehr – Khosrowgerd – Nishapour (3 Ü Hotel Aban **** o.ä. in Mashhad) 05. Tag Ausflug nach Tus und Besichtigungen in Mashhad 06. Tag Ausflug nach Kalat-e Naderi 07. Tag Fahrt nach Khar Gerd über Sangbast - Torbat-e Jam – Taybad – Kerat - Nashtifan (1 Ü Zelt bei Khar Gerd) 08. Tag Fahrt nach Ferdows über Bidokht – Gonabad (1 Ü Hotel Emad Nezam ** in Ferdows) 09. Tag Fahrt nach Farahzad über Deyhuk – Esfahak – Tabas – Khour – Mesr (2 Ü in trad. Lehmhaus in Farahzad) 10. Tag Ausflug in die Wüste „Dasht-e Kavir“ mit den Oasen Arousan und Mohammad Abad-e Kureh Gaz 11. Tag Fahrt nach Yazd über Jandagh – Choupanan – evt. Taft/Cham (2 Ü Trad. Hotel Moshir ol-Mamalek *** o.ä. in Yazd) 12. Tag Besichtigungen in Yazd 13. Tag Fahrt nach Isfahan über Meybod – Nain – Mohammadiyeh (4 Ü Trad. Hotel Sonati oder Atiqh *** o.ä. -
Province County Name Hotel Star Unite Grouptotal Number of Chamberstotal Number of Beds Address Tel Fax
province county Name Hotel Star Unite GroupTotal number of chambersTotal number of beds Address Tel Fax Amol Ardebil Darya Hotel 3 T 46 97 Opposite Farmandari, Basij Sq. 0451-7716977 4450036 Ardebil Sarein Omid Sarein Hotel 1 C 13 28 Valiasr St. 0452-2224672 - Ardebil Sarein Qasr Sarein Hotel 2 T 0 0 First Danesh St. 0452-2222412 - Ardebil Sarein Roz Hotel 2 C 50 100 Next To Sarein Municipality, Valiasr Ave. 0452-2222366 2222377 Ardebil Ardebil Sabalan Hotel 3 T 32 56 Next To Melat Bazar, Sheykh Safi St. 0451-2232910 2232877 Ardebil Sarein Sasan Hotel 2 T 32 64 Valiasr St. 0452-2222514 2222307 Ardebil Meshkinshahr Savalan Hotel 2 A 20 61 Next To Eram Park, Emam St. 0452-5233221 5232663 Ardebil Khalkhal Sepid Hotel 1 C 24 60 First Khojin Road, Moalem Ave. 0452-4253766 - Ardebil Sarein Sepid Hotel 2 C 24 45 Jeneral Ave. 0452-2222082 - Ardebil Bileh Savar Shahriyar Hotel 2 B 24 63 Opposite Customs 8227156-8 - Ardebil Ardebil Sheikhsafi Hotel 1 B 37 80 Shariati Ave. 0451-2253110 2242210 Ardebil Ardebil Shourabil Hotel 2 T 30 70 Shourabil Recreation Complex 0451-5513096 - Ardebil Sarein Kabir Hotel 3 C 36 120 Emam St. 0452-2220001-5 - Ardebil Ardebil Kosar Hotel 3 T 44 102 Shorabil Lake 0451-5513550 - Ardebil Sarein Kouhsar Hotel 1 C 11 25 Bahadori Alley, Danesh St. 0452-2222665 - Ardebil Sarein Mar Mar Hotel 2 T 36 80 Valiasr St. 0452-2222714-5 2222016 Ardebil Ardebil Mahdi Hotel 2 T 25 56 Moalem St. 0451-6614011-12 6613237 Ardebil Ardebil Negin Hotel 2 T 33 72 Simetri St. -
I N D I a a F G H a N I S T a N T a J I K I S T a N China
60°0’0"E 62°30’0"E 65°0’0"E 67°30’0"E 70°0’0"E 72°30’0"E 75°0’0"E Stantslya-Karakul Ak-Rabat Mirza-Kala Urgut Katta-Kayrakly Iory Karamyk Kyrchin Karakul Karaulbaza Samarkand Saugan Dzhar Khishkat Matcha Zldzhik Urtabus Dashti-Kazy Paldarok Dekhisor Osh Khal’fa Kyrk-Archa Pastigov Kyrgyzstan Khodzha-Kenepsi Maydayap Airitam Kochkar-Bulak Ispanza Gus Ayní Devona Deynau Aral Dzhailgan Yerbent Mubarek Shurbazar Markansu Opal Kaushek-Kyzyltakyr Bukhara Farab Leninabad Farab-Pristan’ Farab Mumincha Kara-Yantak Tuyavoshi Dzhergatol Karakendzha Kallyg Oktyabr’ Sivaz Ravat Kalai-Lyabi-Ob Turkmenistan Azlyar-Tepe Kalanak TURKMENABAD Kasan Gubalyak Khozar-Nova Tadzhikabad Ta-shih-ma-li-ho Chardzhou Ayman Novabad Garm Muji Khodzha-Khairon Chirakchi Kutchi Kizyl-Imchak Chaltut Chandyr Mudin Gissarak Navdonek Ozero Karakul’ Komsomolsk Kuchkak Sartuldi ChaydaryIsat Bay-Kurgan Dashti-Mazar Dzheynau Denau Bay Deg-Danak Pashimgar Karakul’ Xinjiang Uygur Zizhiqu Sakar Tamshush Pugus Khokhu Shikh Kamashi Chapukh Murza-Khan Komsomalabad Kamashi Patran Karshi Obi-Dzhuk Tadzhikistan Territories Kakhlyak Chim Dzhur Karry-Cherlya Sayat Chukur Ramit Obigarm Sangvor Bakhardok Tura-Kul’Faizabad Kosh-Tepe Kalaynay Yezgan Khankui Kapakly Imeni Stalina Yargunchi Akkishlak Tavildara Pay-Mazar Batash Bulungkol Bakhcha Dushanbe Ordzhonikidzeabad Rovand Cheshme Vtoroy Dambe Guzar Dainabad Gissar Tangan Talbar Kashkadarya Shurguzar Chaknak Khodzhimard Kevron Rangkul China To rt u l i Regar Akuyli Bashkyngash Akbaytal Peski Dashmandy Siyakopa Turkmenistan Territories Chungurli -
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Iranian Journal of Animal Biosystematics (IJAB) Vol. 1, No. 1, 52-58, 2005 ISSN: 1735-434X New records of three Latrodectus species found in Khorasan province (Araneae: Theridiidae) OMID MIRSHAMSI KAKHKI * Zoology Museum, Faculty of Sciences, Ferdowsi University of Mashhad, IRAN Three Threidiid spiders of the genus Latrodectus occur in Khorasan province: L.tredecimguttatus, L.pallidus, L.dahli. The three are described, their diagnostic features are illustrated, and taxonomic notes are given where possible. Spider bites are very common in these regions, so, further notes about the medical importance of these species are given. A dichotomic key to the species of the genus Latrodectus is presented. Key words: Theridiidae, Latrodectus, Widow Spiders, L. tredecimguttatus, L.dahli, L.pallidus. INTRODUCTION Latrodectus is a genus of the family Theridiidae. It includes a suite of species commonly referred to as widow spiders. Roewer in his catalog " Katalog der Araneae" lists 21 species and 8 subspecies for Latrodectus and Bonnet in his "Bibliographica Araneorum" also lists 21 species. Levi (1959) in his world wide revision of the genus Latrodectus , reduced the number of species to six and recognized only the following species: L.geometricus, L.mactans, L.pallidus, L.dahli, L.hystrix and L.curacaviensis (Lotz, 1994). This genus has a worldwide distribution and comprises 30 currently recognized species (Garb, et al 2004). Probably, due to the medical importance of these spiders, substantial amount of effort towards their taxonomy has been generated (Levy and Amitai, 1983; Levi, 1959; Lotz, 1994). A survey on spiders of Khorasan province (east of Iran) has revealed the existence of three Latrodectus species (Family Theridiidae) from the area.