Results 81 to 90 of about 40,445 (244)
Laboratory acute contact toxicity test with the leafcutter bee Megachile rotundata
Julius-Kühn-Archiv, 2020 So far little is known about the toxicity of Plant Protection Products (PPPs) to solitary bees other than Osmia spp. as well as the inter- and intra-species sensitivity differences of honey bees and solitary bees.
Kling, Annette +2 more
doaj +1 more source
Comparison of Cuticular Hydrocarbons in Three Populations of the Carpenter Bee “Ceratina calcarata” to help Understand their Role in Social Evolution [PDF]
, 2016 For the second summer in a row I analysed the composition of cuticular hydrocarbons (CHCs) on carpenter bees Ceratina calcarata, this time in populations from Missouri and Georgia as well as from New Hampshire.
Lombard, Sean
core +2 more sources
Economic Record, EarlyView.We examine the impact of two changes to Australia's Parenting Payment Single (PPS) program, a welfare payment for low‐income single mothers. One change lowered the age of the youngest child cut off for program eligibility, forcing new welfare entrants onto the less generous Newstart (unemployment) payment.
Kristen Sobeck, Robert Breunig
wiley +1 more source
Are Wild Bee Pollinator Populations Declining? [PDF]
, 2010 How climate change may affect insect pollinator populations in the Midwest.Environmental Change Institute UIUCAgroecology and Sustainable Agriculture Program UIUCunpublishednot peer ...
Cameron, Sydney A., Marlin, John C.
core
The best wildflowers for wild bees [PDF]
, 2019 Governmental agri-environment schemes (AES) aim to improve pollinator abundance and diversity on farmland by sowing wildflower seed mixes. These often contain high proportions of Fabaceae, particularly Trifolium (clovers), which are attractive to some ...
Goulson, Dave +2 more
core +1 more source
Brood parasitism reduces but does not prevent Bombus terrestris reproductive success
Insect Science, EarlyView.Graphical depiction of the colony splitting process. Throughout figures in this paper, results pertaining to host success are represented in blue, and cuckoo success is represented in red. Abstract Cuckoo bumblebees are obligate brood parasites that must invade a colony of their host bumblebee species in order to reproduce.
Sofia Dartnell, Lynn V. Dicks
wiley +1 more source
Potential Correlation Between Bombus lantschouensis Thoracic Morphology and Flight Behavior
Integrative Zoology, EarlyView.Potential correlation between Bombus lantschouensis thoracic morphology and flight behavior. ABSTRACT Remarkably little modern work has investigated the thoracic structures of insects and their relationship to flight locomotion. Most studies focus exclusively on either morphology or flight kinematics.
Wenjie Li +19 more
wiley +1 more source
An iconic traditional apiculture of park fringe communities of Borena Sayint National Park, north eastern Ethiopia [PDF]
, 2015 Background: Traditional apiculture has been practised in Ethiopia over a long historical period and still remains a benign means to extract direct benefits from natural ecosystems.
Adal, Hussien +4 more
core +2 more sources
Integrative Zoology, EarlyView.Brain size may be influenced by the cognitive demands of sociality (social brain hypothesis). We used microCT to compare CNS and brain volumes in social versus solitary huntsman and crab spiders. Social huntsman spiders had larger arcuate and mushroom bodies, while social crab spiders had larger visual neuropils.
Vanessa Penna‐Gonçalves +6 more
wiley +1 more source
BiologyAlfalfa (Medicago sativa) is an important fodder crop with 16–25% protein and 20–30% fibre content. It requires pollinators for seed development through a process known as “tripping”. Honey bees are preferred for their easy management and mass rearing to
Kamran Ejaz +3 more
doaj +1 more source