Nest structure, pollen utilization and parasites associated with two west-Mediterranean bees (Hymenoptera, Apiformes, Megachilidae) nesting in empty snail shells
نویسندگان
چکیده
منابع مشابه
Effect of Three-dimension and Color Contrast on Nest Localization Performance of Two Solitary Bees (Hymenoptera: Megachilidae)
We addressed the importance of third dimension and color contrast as cues used in close range nest localization by Osmia lignaria Say and Megachile rotundata (F.) females. By manipulating the surface of the nesting site, we compared 3-dimensional configurations of three different depths (1 cm, 2 cm, and 6 cm) and three different color contrasts (black-black, black-gray, and black-blue). We also...
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Many specialist herbivores eat foods that are apparently low quality. The compensatory benefits of a poor diet may include protection from natural enemies. Several bee lineages specialize on pollen of the plant family Asteraceae, which is known to be a poor-quality food. Here we tested the hypothesis that specialization on Asteraceae pollen protects bees from parasitism. We compared rates of br...
متن کاملDiversity and Conservation of Leaf Cutter Bees (Hymenoptera: megachilidae)
More than one-third of the world’s crops require pollination to set seeds and fruits Dias et al. [1]. It is likely that wild bee community is sufficient to provide services for multiple crops, including some that are not serviced by honeybees Kremen et al. [2]. Under several situations non-Apis bees are better pollinators than Apis species because of efficient tripping, fast foraging rate, long...
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The bottom-up effects of plant food quality and quantity can affect the growth, survival, and reproduction of herbivores. The larvae of solitary bee pollinators, consumers of nectar and pollen, are also herbivores. Although pollen quantity and quality are known to be important for larval growth, little is known about how nectar quality limits solitary bee performance. By adding different levels...
متن کاملPollinating 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 ...
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ژورنال
عنوان ژورنال: Journal of Hymenoptera Research
سال: 2020
ISSN: 1314-2607,1070-9428
DOI: 10.3897/jhr.76.49579