نتایج جستجو برای: 262 araneae
تعداد نتایج: 10181 فیلتر نتایج به سال:
In Gram-negative bacteria, resistance to β-lactam antibacterials is largely due to β-lactamases and is a growing public health threat. One of the most concerning β-lactamases to evolve in bacteria are the Class B enzymes, the metallo-β-lactamases (MBLs). To date, penams and cephems resistant to hydrolysis by MBLs have not yet been found. As a result of this broad substrate specificity, a better...
Spatial distribution and spatial relationships in capture rates of understorey insectivorous birds and density of arthropods were investigated in a patch of upper montane rain forest in Minas Gerais state, southeastern Brazil, from January to December 2004. The composition of the arthropod fauna collected was similar to that reported for other tropical forests, with predominance of Araneae, Col...
Crassignathadanaugirangensis sp. n. (Araneae: Symphytognathidae) was discovered during a tropical ecology field course held at the Danau Girang Field Centre in Sabah, Malaysia. A taxonomic description and accompanying ecological study were completed as course activities. To assess the ecology of this species, which belongs to the ground-web-building spider community, three habitat types were su...
The South African Sugarcane Research Institute (SASRI) is researching an Area-Wide Integrated Pest Management (AW-IPM) strategy against sugarcane thrips, Fulmekiola serrata (Kobus) (Thysanoptera: Thripidae). Unique monitoring techniques successfully implemented provided faunal complexes that might include natural enemies within leaf spindles. Twentyeight Thysanoptera taxa from three families, n...
The species-level diversity of fossil Chelicerata is summarized for each order. 1952 valid species of fossil chelicerates are currently recognized, of which 1593 are arachnids. In order of abundance they are: Araneae (979 fossil species), Actinotrichida (283), Eurypterida (241), Scorpiones (111), Xiphosura (96), Trigonotarbida (71), Pseudoscorpiones (38), Phalangiotarbida (30), Opiliones (25), ...
A nearly complete spider spinneret was found in Middle Devonian rocks (about 385 to 380 million years old) near Gilboa, New York. This is the earliest evidence yet discovered for silk production from opisthosomal spigots, and therefore for spiders. Two previously known Devonian fossils described as spiders lack any apomorphies of the order Araneae and are probably not spiders. The spigots of th...
خرچنگ شناگر آبی، portunus pelagicus، به مدت یکسال با استفاده از تور ترال و گوشگیر از آبهای ساحلی استان بوشهر جمع آوری شد که مجموع 262 قطعه خرچنگ (116 ماده و 146نر) صید شد. نسبت جنسی در این پروژه 26/1 به 1 بدست آمد.
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