نتایج جستجو برای: episyrphus balteatus

تعداد نتایج: 106  

Journal: :Acta Entomologica Musei Nationalis Pragae 2021

Hypoxys Amyot & Serville, 1843 (Hemiptera: Heteroptera: Pentatomidae: Edessinae), for a long time considered synonym or subgenus of Edessa Fabricius, 1803, was recently revised and reinstated to the generic rank. This genus comprises 17 described species divided in four groups: H. quadridens, oxyacanthus, triangularis, balteatus group. Also, there is large number new yet be described. The g...

2012
Imtiaz Ali Khan

Studies regarding the determination of population trend of Lipaphis erysimi (kalt.) and its associated natural enemies in different Brassica lines along with the effect of gamma radiation on their population were conducted at Agricultural Research Farm, Malakandher, Khyber Pakhtunkhwa Agricultural University Peshawar during spring 2006. Three different Brassica lines F6B3, F6B6 and F6B7 were us...

Journal: :Marine Biodiversity 2021

Abstract Although vital in fisheries management, no comprehensive studies on ichthyoplankton have been conducted Sri Lankan waters the north central Indian Ocean hitherto. Hence, this study is first detailed account of diversity and species composition larval fish based samples collected during southwest monsoon 2018. In total, 80 belonging to 69 families were identified using morphological mol...

ژورنال: :plant protection journal 0
azadeh jabbari ali ahadiyat rustem hayat

مگس­های گل (diptera:syrphidae) یکی از مهم­ترین دشمنان طبیعی شته­ها و از گرده افشان­های مهم به شمار میﺭوند. لارو اغلب آنﻫﺎ شکارگر بوده، نقش مهمی در تعادل بیولوژیکی و کنترل طبیعی شته­ها ایفا می کنند. در بررسی­های به عمل آمده روی تنوع گونه­ای مگس­های این خانواده در منطقه گرمسار در سال 1389، حشرات کامل از مناطق مختلف جمع‏آوری شدند و مورد شناسایی قرار گرفتند. سپس تنوع گونه­ای آنﻫﺎ با استفاده از شاخص...

Journal: :Sri Lanka Journal of Aquatic Sciences 2023

Pole and line fishery is one of the oldest traditional techniques employed in tuna fishing Indian Ocean including Sri Lanka, which mainly targeted to exploit skipjack tuna. This has fallen a relatively low level significance during past three decades. The potentialities for expansion pole Lanka are regained with possible negative consequences allied drift gill net region. present study attempts...

2009

Low-head dams in arid regions restrict fish movement and create novel habitats that have complex effects on fish assemblages. The influence of low-head dams and artificial wetlands on fishes in Muddy Creek, a tributary of the Colorado River system in the USA was examined. Upstream, fish assemblages were dominated by native species including two species of conservation concern, bluehead sucker, ...

2000
JACK M. BROUGHTON

Eleven fish species were identified from Homestead Cave, Utah. The remains, concentrated in the lowest stratum of the deposit, were accumulated by owls between approximately 11,200 and 10,100 14C yr B.P. and likely represent fish associated with the final die-off of the Lake Bonneville fauna. Four of the species (Salvelinus confluentus, Prosopium abyssicola, Catostomus discobolus, Richardsonius...

Journal: :Biyolojik çeþitlilik ve koruma 2023

With this study, Cataldag province extending at the provincial borders of Balıkesir and Bursa, field studies were performed 11 different study areas per three weeks using pitfall traps window with old hollow seven original forest tree species (Alnus glutinosa, Carpinus betulus, Platanus orientalis, Fagus Quercus petreae, Q. cerris, cerris x infectoria) in between April November months during 20...

Journal: Geopersia 2019

A Mississippian miospore assemblage has been recorded from well A in the Persian Gulf in Iranian offshore, for the first time. Fifteen species of spores have been recognized in the Early Carboniferous assemblage of this well which the most important of them are: Spelaeotriletes arenaceus, Aratrisporites saharaensis, Spelaeotriletes balteatus, Spelaeotriletes triangulus and Radiizonates arcuatus...

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