Plants produce an array of secondary metabolites that play important ecological roles as anti‐
herbivore and anti‐pathogen defenses. Many herbivores experience physiological costs …

Bumble bees (Bombus spp.) are important pollinators for both wild and agriculturally
managed plants. We give an overview of what is known about the diverse community of …

Bumble bees are important pollinators for a great diversity of wild and cultivated plants, and
in many parts of the world certain species have been found to be in decline, gone locally …

18.1 Background It is estimated that well over 50 per cent of extant species have a parasitic
lifestyle, for at least some stage of their life cycle (Schmid-Hempel 2011). For example …

The World Catalogue of the Conopidae offers the first complete list of this Diptera family
worldwide since 1919. 808 recent and fossil species, together with their synonyms …

Both the identity and prevalence of parasitoid dipterans associated with bumble bees
(Bombus spp.) in southern South America are little known. Between 2009 and 2017, a total …

Abstract The bumblebee Bombus haemorrhoidalis Smith are experiencing a great
population decline in the current global scenario. An attempt to rear these queens has been …

Floral resources and natural enemies are considered important drivers of wild bee
population dynamics, yet there is little information on how these factors, either independently …

Four states contain over 401 species of bees, about which little is known except for a few
common species. Forests of Maine, Massachusetts, New Hampshire, and Vermont were …

Abstract Bumble bees (Order Hymenoptera) are important pollinators of economically
significant crops. In the past 20 years, there has been a decline in several North American …