Sentences with phrase «native bumblebee»

In the new study, scientists identified the parasite, Apicystis bombi, in three species of bumblebee — the native bumblebee; B. terrestris; and another European bumblebee, B. ruderatus — in Patagonia.

Losses were reported among four species of native bumblebee as well.

She and her colleagues have documented deep losses in North American native bumblebee species, and she's now studying whether pathogens spilling over from commercial bees are playing a role.

South American native bumblebees (Hymenoptera: Apidae) infected by Nosema ceranae (Microsporidia), an emerging pathogen of honeybees (Apis mellifera).

«Bees are essential to our food chain and the populations of our native bumblebees have declined in recent decades.

A species of bee from Europe that has stronger resistance to parasite infections than native bumblebees has spread across the UK, according to new research at Royal Holloway, University of London.

However, the speed of the native bee decline suggests that the parasite is a major factor, she says — and other native bumblebees north of Patagonia may be at risk from the parasite.

Not exact matches

The most serious biological impact of this invasion is the decline of the Patagonian giant bumblebee Bombus dahlbomii, the only native bumble bee in southern South America and one of the world's largest bumblebees.

For the past three years, Harmon - Threatt has been studying the ways in which the native yellow - faced bumblebee (Bombus vosnesenskii) uses the plants growing in the area.

Scientists believe the spread of tree bumblebees could have both positive and negative impacts on native bees.

The arrival of tree bumblebees could be hugely beneficial to us by absorbing parasite pressure from our native species, as well as helping to pollinate wild plants and crops.»

Bumblebees — along with hoverflies and other native insects — pollinate most insect - pollinated crops.

The queen bees of the spectacular native «giant bumblebee» of South America, Bombus dahlbomii, are the largest bumblebees in the world.

However, it is surprisingly common in the European bumblebees living in Patagonia, the researchers found — almost half of the white - tailed bees in the region were infected, as well as the native giant bumblebees.

The parasite is certainly a relatively recent arrival: In the study, Arbetman and her team looked at preserved specimens of the native bee as well as B. ruderatus, also called the carder bumblebee.

But bumblebees make up only a fraction of North Carolina's bees, and the struggles faced by other native species are less clear.