Results 81 to 90 of about 3,892 (182)

REVISION OF LEIOPROCTUS (CERATOCOLLETES) MICHENER (HYMENOPTERA: COLLETIDAE) [PDF]

open access: yesAustralian Journal of Entomology, 1993
Leioproctus (Ceratocolletes), comprising two species, is revised. L. (C.) xanthosus is described as new. L. (C.) andreniformis (Cockerell) is considered a junior synonym of L.
openaire   +2 more sources

Diversity of bees (Hymenoptera, Apiformes) in extensive orchards in the highlands of Jordan

open access: yesArxius de Miscel-lània Zoològica, 2014
Bees visiting the blossoms of fruit trees were surveyed for the first time in Jordan. A transect was determined in Ebbin village in Ajlun (32° 22″ N, 35° 49″ E) where the bees were collected from blossoms of stone fruit trees.
Al-Ghzawi, A.   +4 more
doaj  

Biologia reprodutiva de Passiflora capsularis L. e P. pohlii Mast. (Decaloba, Passifloraceae) Reproductive biology of Passiflora capsularis L. e P. pohlii Mast. (Decaloba, Passifloracae)

open access: yesActa Botânica Brasílica, 2010
O subgênero Decaloba, ao qual pertencem as espécies de Passiflora L. com flores pequenas, é pouco estudado do ponto de vista reprodutivo, o qual pode contribuir para esclarecimento das relações filogenéticas no gênero Passiflora.
Flávia Santos Faria   +1 more
doaj   +1 more source

Especies nuevas de abejas de Cuba y La Española (Hymenoptera: Colletidae, Megachilidae, Apidae)

open access: yesRevista de Biología Tropical, 2001
Se describen e ilustran cinco especies nuevas de abejas antillanas: Collectes granpiedrensis n. sp. (Cuba) (Colletidae); Osmia (Diceratosmia) stangei n. sp. (República Dominicana); Coelioxys (Cyrtocoelioxys) alayoi n. sp. (Cuba); C.
Julio A. Genaro
doaj  

A REMARKABLE BEE FROM EASTERN AUSTRALIA (HYMENOPTERA: APOIDEA: COLLETIDAE) [PDF]

open access: yesAustralian Journal of Entomology, 1983
ABSTRACTA new bee, Euryglossina (Turnerella) leyburnensis, is described.
openaire   +3 more sources

Morphological and Histological Structure of Adexinal Glands of some Solitary Bee Species (Hymenoptera – Apoidea)

open access: yesSociobiology
Solitary bees are diverse and very important for plant and crop pollination. They are extensively studied taxonomically, but little is known about their anatomy and physiology compared to honey bees.
Kariman M. Mahmoud, Mohamed Shebl
doaj   +1 more source

Assessing the Presence and Distribution of 23 Hawaiian Yellow-Faced Bee Species on Lands Adjacent to Military Installations on O‘ahu and Hawai‘i Island [PDF]

open access: yes, 2013
Reports were scanned in black and white at a resolution of 600 dots per inch and were converted to text using Adobe Paper Capture Plug-in.The endemic Hylaeus bees are critical pollinators in native ecosystems in Hawai‘i.
King, Cynthia B.A., Magnacca, Karl N.
core  

Revision of the subgenus Xenohesma Michener (Apoida : Colletidae)

open access: yesAustralian Journal of Zoology, 1969
The subgenus Xenohesma Michener, 1965, of the genus Euryglossa Smith, 1853, is revised. Seventeen species are recognized including seven which are described as new: E. (X.) stagei, E. (X.) chrysea, E. (X.) melanoclypearis, E. (X.) hirsutoscapa, E. (X.) fasciata, E. (X.) clethrosema, and E. (X.) sigaloessa. In addition, the males of E.
openaire   +3 more sources

Lonchopria magdalenae Roig Alsina, 2002: unavailable name (Hymenoptera: Colletidae)

open access: yesRevista de la Sociedad Entomológica Argentina, 2017
El nombre Lonchopria magdalenae Roig Alsina se hace disponible a partir de la publicación de la presente nota.
Arturo ROIG ALSINA
doaj  

On the roles of colour and scent in a specialized floral mimicry system [PDF]

open access: yes, 2017
Background and Aims Sexually deceptive orchids achieve cross-pollination by mimicking the mating signals of female insects, generally hymenopterans. This pollination mechanism is often highly specific as it is based primarily on the mimicry of mating ...
Schiestl, Florian P.   +1 more
core  

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