THE EFFECTS OF SIX SPECIES OF APHIDS ON SOME LIFE HISTORY PARAMETERS OF THE LADYBIRD PROPYLEA QUATUORDECIMPUNCTATA (COLEOPTERA: COCCINELLIDAE)

The effects of six species of aphids on some life history parameters of the ladybird Propylea quatuordecimpunctata (Coleoptera: Coccinellidae)

One of the factors affecting the effectiveness of predatory wac 4011 coccinellids in an aphid infested crop is the food specificity of the predator.The response towards six species of aphids (Sternorrhyncha: Aphididae) was therefore tested in one of the most abundant aphidophagous coccinellids in Bulgaria - Propylea quatuordecimpunctata (L.) (Coleo

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Formats and genres of media communication of the executive power

The article presents a general description of the system of the executive power media resources from the point of view of its genre organization.The author offers a literature review on computer-mediated communication and the sphere of public relations and gives a definition of a genre in connection with the Internet.It is argued that an important

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