In addition to benjaminamide (2), β-amyrin, β-amyrin acetate, lupeol, betulinic acid, β-sitosterol glucoside, a new ceramide glycoside was isolated from the woods of Ficus lutea Vahl (Moraceae). Using mass fragmentation pattern, 1 and 2D NMR spectra and by comparison with published data, the new compound was characterized as 1-O-β-D-glucopyranosyl-(2S,3R,5E,12E)-2N-[(2'R)-hydroxyhexadecanoyl]-o...

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oligochaeta worms are important organisms in aquatic ecosystem. their omnipresence makes them as an indicator of environmental changes and health of aquatic ecosystem. the members of the family tubificidae and in particular, genus limnodrilus are considered as the most tolerant oligochaets to aquatic pollution. therefore identification and biological characteristics of this taxon are of great h...

the genus conophorus meigen, 1803 (diptera: bombyliidae: conophorini) was studied in the north and northwestern parts of iran. three species of the genus conophorus were identified; two of them are recorded for the first time from iran, namely: c. pseudaduncus paramonov, 1929 and c. rjabovi paramonov, 1929, in addition to c. glaucescens (loew, 1863), which was previously recorded in iran. morph...

a survey on the megachilid bees (hymenoptera: megachilidae) fauna of northern iran, between 2010 and 2011, led to the identification of eleven species of the genus coelioxys latreille belonging to subgenera allocoelioxys (6 species), boreocoelioxys (2 species), coelioxys (2 species) and liothyrapis (1 species). of these, six species and one subgenus (liothyrapis) are new to the fauna of iran. d...

fauna of ichneumonidae of isfahan province was studied in 2012. specimens were collected using sweep net and malaise trap on various plants from different places in isfahan. totally, 18 species belong to 16 genera and 7 subfamilies were collected and identified as: anomalon cruentatum (geoffroy, 1785) (anomaloninae); exetastes syriacus schmiedeknecht, 1910 (banchinae); diplazon laetatorius (fab...