A gynandromorph of Xylocopa augusti and an unusual record of X. iris from Brazil (Hymenoptera: Apidae: Xylocopini) [PDF]
We describe and illustrate for the first time a mixed gynandromorph of Xylocopa(Neoxylocopa) augusti Lepeletier de Saint Fargeau from Buenos Aires, Argentina. Also, we document and discuss a historical specimen of the Old World carpenter bee X. (Copoxyla)
Gonzalez, Victor H. +2 more
core +4 more sources
Bombus magnus (Vogt, 1911) (Hymenoptera: Apidae) es una de las tres especies crípticas pertenecientes al complejo lucorum junto con B. lucorum (Linnaeus, 1761) y B. cryptarum (Fabricius, 1775). En la península Ibérica solo se encuentran B.
Nuria Blasco-Lavilla +2 more
doaj +1 more source
Late Winter Foraging by Honeybees (Hymenoptera: Apidae) at Sapsucker Drill Holes [PDF]
Observations of Apis mellifera foraging at sapsucker drill holes were made during February 1988 in southwestern Virginia. Foraging bouts were dependent upon temperature; more bees visited drill holes when ambient temperatures exceeded 10oC. Honeybees did
Williams, Charles E
core +3 more sources
Heat shock proteins (hsps) protect proteins in eukaryotic cells from damage. Expression of hsps in insects subject to different environmental stimuli is poorly characterized.
Najmeh SAHEBZADEH, Wei Hong LAU
doaj +1 more source
Epeoloides pilosulus (Cresson) Rediscovered in Michigan, with Notes on the Distribution and Status of its Macropis hosts. [PDF]
Epeoloides pilosulus (Cresson 1878) is one of the rarest bees in North America with only a handful of records since 1960. The last collection in Michigan was made in 1944.
Gibbs, Jason +4 more
core +2 more sources
A survey of the bees (Hymenoptera: Apoidea) from Isfahan Province, Iran [PDF]
In this survey, 154 bee species of Apoidea superfamily, from the western part of the Isfahan province, Iran were recorded, of which 29 species are new for the fauna of Iran.
Razieh Khodarahmi Ghahnavieh +1 more
doaj
Combined stress from parasites, pesticides and lack of flowers drives bee declines [PDF]
Bees are subject to numerous pressures in the modern world. The abundance and diversity of flowers has declined, bees are chronically exposed to cocktails of agrochemicals, and they are simultaneously exposed to novel parasites accidentally spread by ...
Botias Talamantes, Cristina +3 more
core +1 more source
Bee pollination effects on yield and chemical composition of West Indian gherkin fruits (Cucumis anguria L., Cucurbitaceae) in the Brazilian semi-arid region [PDF]
Animal pollination plays a key role in global agricultural production and especially of monoecious crops, which are essentially dependent on pollinators.
I. C. S. Magalhães +4 more
doaj +1 more source
Towards integrated control of varroa: effect of variation in hygienic behaviour among honey bee colonies on mite population increase and deformed wing virus incidence [PDF]
Hygienic behaviour in the honey bee, Apis mellifera, is the uncapping and removal of dead, diseased or infected brood from sealed cells by worker bees. We determined the effect of hygienic behaviour on varroa population growth and incidence of deformed ...
Al Toufailia, Hasan M +4 more
core +1 more source
Waste management in the stingless bee Melipona beecheii Bennett (Hymenoptera: Apidae) [PDF]
Waste management is important in insect societies because waste can be hazardous to adults, brood and food stores. The general organization of waste management and the influence of task partitioning, division of labor and age polyethism on waste ...
Hart, Adam G +2 more
core +4 more sources

