Relationships between bees (Hymenoptera: Apoidea: Apiformes) and flowers in the Bulgarian agricultural landscape
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منابع مشابه
Interaction between visiting bees (Hymenoptera, Apoidea) and flowers of Ludwigia elegans (Camb.) hara (Onagraceae) during the year in two different areas in São Paulo, Brazil.
This study was designed to characterize the interactions between Ludwigia elegans flowers and visiting bees during two years in two areas 200 km apart, at the same latitude (approximately 22 masculine 48'S) but at different altitudes (Alumínio, 600 m, and Campos do Jordão, 1500 m), in the State of São Paulo, Brazil. As these flowers open simultaneously in the morning and lose their petals by su...
متن کاملHabitat preferences of nest-seeking bumble bees (Hymenoptera: Apidae) in an agricultural landscape
The aim of this study was to find out where bumble bee queens place their nests in the agricultural landscape. Nest-seeking behaviour was used to indicate nesting site preferences. Four types of agricultural landscape were investigated near Uppsala, Sweden: open, relatively open, relatively wooded and wooded. Twelve 500-metre-long transects, each including several intermingled habitats (e.g., f...
متن کاملon translation of phatic communion and socio-cultural relationships between the characters of the novels
phatic communion is a cultural concept which differs across cultures. according to hofstede (2001), the u.s. tends to have individualistic culture; however, asian countries tend to have collectivistic cultures. these cultures view phatic communion differently. in individualistic cultures like u.s., phatic communion reflects speakers’ socio-cultural relationships in conversations. to see whether...
15 صفحه اولPollinating bees (Hymenoptera: Apiformes) of U.S. alfalfa compared for rates of pod and seed set.
Alfalfa (=lucerne) flowers require visiting bees to trip the sexual column, thereby providing pollination and subsequent pod and seed set. Previous studies have compared the pollination values of different bee species solely by the speed with which they handle flowers and the proportion of visited flowers tripped. In this greenhouse study, five species of bees, including the three commercially ...
متن کاملA Monograph of the Baltic Amber Bees and Evolution of the Apoidea (hymenoptera)
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ژورنال
عنوان ژورنال: Polish Journal of Entomology
سال: 2015
ISSN: 2299-9884
DOI: 10.1515/pjen-2015-0009