Further species of Aphidoidea (Hom.) new to Finland

Contributions to the aphid fauna (Hemiptera, Aphidoidea) of Chukotka Autonomous Okrug with descriptions of five new species.

The first study of the aphid fauna from Chukotka Autonomous Okrug has been made; 18 species are reported from this territory, the most north-eastern of Russia and of the Palaeartic Region. Five new species are described: Aphis aquilonalis sp. nov. on Rumex arcticus Trautv.; Aphis beringiensis sp. nov. were collected by yellow trap; Macrosiphoniella (Asterobium) jaroslavi sp. nov. on Artemisia a...

key to the genera of chaitophoridae and callaphididae ( hom.: aphidoidea) in iran

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Hom - Algebras and Hom

The aim of this paper is to develop the theory of Hom-coalgebras and related structures. After reviewing some key constructions and examples of quasi-deformations of Lie algebras involving twisted derivations and giving rise to the class of quasi-Lie algebras incorporating Hom-Lie algebras, we describe the notion and some properties of Homalgebras and provide examples. We introduce Hom-coalgebr...

Hypocrea seppoi, a new stipitate species from Finland.

The new stipitate species of Hypocrea, H. seppoi; is described, based on material freshly collected in Finland. Characterization of this species includes morphology of teleomorph and anamorph, culture studies and molecular phylogeny. H. seppoi is compared to the other European soil-inhabiting, stipitate Hypocrea species. It is characterized by small stromata, thin fibrous stipe, perithecia decu...

کلید شناسائی جنس های شته های بکرزای خانواده های (CHAITOPHORIDAE , CALLAPHIDIDAE ( HOM.: APHIDOIDEA در ایران