New Information on the Malacofauna of the Catchment Area of Rusenski Lom River (North Bulgaria)

After this short note adding 8 species to the faunal list of the area, a total of 130 mollusk species are known from the catchment area of Rusenski Lom River both aquatic and terrestrial.

Toxicity of Essential Oils Isolated from Achillea millefolium L., Artemisia dracunculus L. and Heracleum persicum Desf. Against Adults of Plodia interpunctella (Hübner) (Lepidoptera: Pyralidae) in Islamic Republic of Iran

The environmental problems caused by overuse of synthetic insecticide have been the matter of concern in recent years. Essential oils from aromatic plants are recognized as proper alternatives to conventional insecticide...

 

Combined Effect of Some Bio-Agents on the Grasshopper, [i]Hetiracris littoralis[/i] Under Semi-Field Condition

LC50 of the alchoholic-80% extract of Euphorbia pulchrrima (0.714%), essential oil of Garlic plant [i]Allium sativum[/i] (0.067%) and nematodes of [i]Steinernima[/i] sp. and [i]Heterorhabditi[/i]s sp. (500 IJs/ml), were...

Sex and Size Structure of Roach (Rutilus rutilus) and Bleak (Alburnus alburnus) Populations in Zhrebchevo Dam

The purpose of the present study is to analyze the sex and size structure of roach (Rutilus rutilus) and bleak (Alburnus alburnus) populations from carp family (Cyprinidae) in Zhrebchevo Dam. The survey was conducted in...