The genus Alyssum L. belongs to the subtribe Alyssinae, tribe Alysseae and family Cruciferae (Brassicaceae). This genus is one of the largest genera of the family of Cruciferae in Iran, and seems to be the most problematic genus in which the boundary of certain species is not completely clear due to the polymorphism of morphological characters. The main objective of this research is to stud...

hymenolepis diminuta is a cestode frequently found in rodents and humans. species of flour moths of the genus pyralis and bee­tles in the genus tribolium are common intermediate hosts. humans can be accidentally infected through the ingestion of the insects, including larvae in precooked cereals, dried fruits or other food items, and directly by ingesting the insects from the environment. this ...

Ranunculus L. with about 600 species is the largest genus in the Ranunculaceae. Problems in the taxonomy of the genus are due to high variability and polymorphism among different individuals and populations of certain species. Morphological characters of nectar scale have been considered as valuable taxonomical characters in some perennial species in some groups (Praemorsa, Grumosa, Rhizomatosa...

In the course of the study of collected specimens from West Azerbaijan province (NW Iran), Prometheum rechingeri (Crassulaceae) is reported for the first time from Iran. Based on recent phylogenetic and morphological studies in Crassulaceae family, genus Prometheum was considered as independent genus. So far, two species viz. P. pilosum (under Sedum pilosum), and P. sempervivoides (under S. se...

the genus phaneroserphus pschorn–walcher, 1958 is recorded for the first time from iran and its allied species, phaneroserphus punctibasis townes, 1981 is recorded from west palaearctic region for the first time. the specimens were collected from mazandaran province during 2011 using malaise traps. diagnostic characters and geographical distribution of the newly recorded genus and species is br...

the systematics, morphology, distribution, biology, economic importance and conservation of the freshwater catfishes of iran are described, the species are illustrated, and a bibliography on these fishes is provided. there are four families with four genera and six species, one of which is an exotic; the family bagridae with one genus and species, mystus pelusius in the persian gulf, hormuz and...

hottentotta is one of the most widely distributed genera of the family buthidae, with species present throughout africa, the arabian peninsula, and in asia to pakistan and india. recently, kovarik (2007) revised genus of hottentotta in the world and reported 29 different species-group name in the genus of hottentotta. hottentotta is one of the six medical important scorpions of iran that distri...

Cuscuta, commonly known as dodder, is a genus of family convolvolaceace. Approximately 170 species of Cuscuta are extensively distributed in temperate and subtropical areas of the world. Species of this genus are widely used as essential constituents in functional foods and traditional medicinal systems. Various parts of many members of Cuscuta have been found efficacious against a variety of d...

To study mosquito ( Diptera : Culicidae) fauna in Guilan province (Caspian sea littoral , North of Iran ), an investigation was carried out during April to December 2000. The whole set of 2478 adult specimens from 64 habitats and 6656 larvae from 127 larval breeding places was collected . Three species of the genus Culiseta were identified as follow: 1- Cs. longiareolata 2- Cs. morsitans 3- Cs....