Original Research Articles

Occurrence of the exotic leafcutter bee Megachile (Eutricharaea) concinna (Hymenoptera: Megachilidae) in southern South America. An accidental introduction?

Leopoldo J Alvarez, Mariano Lucia, Silvana Durante, Juliana Pisonero, Alberto H Abrahamovich

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221

Diversity, abundance and pollination efficiency of native bee pollinators of bitter gourd (Momordica charantia L.) in India

Pavana Kumar Balina, Surender Kumar Sharma and Mahesh Kumar Rana

51

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227

The floral hosts of Japanese polylectic sweat bees of subgenus Lasioglossum (Lasioglossum) (Hymenoptera: Halictidae)

Mohamed Shebl

51

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232

A method for harvesting unfermented pollen from stingless bees (Hymenoptera, Apidae, Meliponini)

Cristiano Menezes, Ayrton Vollet Neto and Vera Lucia Imperatriz Fonseca

51

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240

Multivariate morphometric analyses of the giant honey bees, Apis dorsata F. and Apis laboriosa F. in China

Lian-Fei Cao, Huo-Qing Zheng, Xuan Chen, De-Fang Niu, Fu-Liang Hu and H Randal Hepburn

51

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245

The influence of formic acid on the body surface proteolytic system at different developmental stages in Apis mellifera L. workers

Aneta Joanna Strachecka, Jerzy Paleolog, Grzegorz Borsuk and Krzysztof Olszewski

51

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Access

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252

Supplementation of the honey bee diet with vitamin C: The effect on the antioxidative system of Apis mellifera carnica brood at different stages

Marek Farjan, Małgorzata Dmitryjuk, Zbigniew Lipiński, Elżbieta Biernat-Łopieńska and Krystyna Żółtowska

51

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263

Queen survival and oxalic acid residues in sugar stores after summer application against Varroa destructor in honey bees (Apis mellifera)

Bram Cornelissen, Jeroen Donders, Pam van Stratum, Tjeerd Blacquière, and Coby van Dooremalen

51

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271

Notes & Comments

The toxic honey plant Camellia oleifera

Rui Su, Yan Dong, Kun Dong and Shaoyu He

51

Open
Access

3

277

Insect visitors to the rare plant Primula palinuri Petagna (Primulaceae) in southern Italy: a framework for future research

Manuela Giovanetti and Giovanna Aronne

51

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280

Israeli acute paralysis virus in Africanized honey bees in southeastern Brazilian Apiaries

Erica W Teixeira, Yan-Ping Chen, Dejair Message, Humberto F Boncristiani, Jeff S Pettis and Jay D Evans

51

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282

Viral infection and Nosema ceranae in honey bees (Apis mellifera) in Chile

Marta Rodríguez, Marisol Vargas, Marcos Gerding, Hugo Navarro and Karina Antúnez

51

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285

Varroa destructor resistance of honey bees in Hawaii, USA, with different genetic proportions of Varroa Sensitive Hygiene (VSH)

Robert G Danka, Jeffrey W Harris, Ethel Villalobos and Thomas Glenn

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288