Results 31 to 40 of about 196 (77)

The entomological collection of the Spanish Museo Nacional de Ciencias Naturales of Madrid (CSIC) [PDF]

open access: yes, 1997
[ES] En el presente trabajo se aporta información sobre el volumen y la composición taxonómica y faunística de la colección de Entomología del Museo Nacional de Ciencias Naturales (MNCN) de Madrid, España.
Izquierdo Moya, Isabel   +3 more
core  

Morphological phylogeny of Megachilini and the evolution of leaf-cutter behavior in bees (Hymenoptera: Megachilidae): Evolution of leaf-cutter behavior in bees [PDF]

open access: yes, 2019
A unique feature among bees is the ability of some species of Megachile Latreille s.l. to cut and process fresh leaves for nest construction. The presence of a razor between the female mandibular teeth (interdental laminae) to facilitate leaf-cutting (LC)
Engel, Michael S   +2 more
core   +2 more sources

A yellowwood by any other name: molecular systematics and the taxonomy of Podocarpus and the Podocarpaceae in southern Africa [PDF]

open access: yes, 2004
We briefly review the taxonomic history of the Podocarpaceae, with an emphasis on the recognition of numerous segregate genera out of Podocarpus sensu lato.
Barker, Nigel P, Mill, R R, Muller, E M
core   +1 more source

A revised key to the living and fossil families of Strepsiptera, with the description of a new family, Cretostylopidae [PDF]

open access: yes, 2014
A new family, Cretostylopidae Kathirithamby and Engel, is erected to accommodate the mid-Cretaceous species Cretostylops engeli Grimaldi and Kathirithamby.
Engel, MS, Kathirithamby, Jeyaraney
core   +2 more sources

Les Ammophiles de l'Espagne (Hymen.-Spheg.) [PDF]

open access: yes, 1929
Le matériel qui fait l'objet de la présente étude comprend, d'une part, l'ensemble des collections conservées au Museo Nacional de Madrid; et, d'autre part, la collection du Dr. José M. Dusmet y Alonso.
Roth, P.
core  

A new species of Chalicodoma from Saudi Arabia with modified facial setae (Hymenoptera, Megachilidae) [PDF]

open access: yes, 2012
Some bees and pollen wasps have independently evolved simple, stiff, erect, apically-curved, curly or hooked facial setae as adaptations to collect pollen from nototribic flowers.
Alqarni, Abdulaziz S.   +3 more
core   +2 more sources

New species of the genus Celonites Latreille (Hymenoptera: Masaridae) from South Africa

open access: yes, 1989
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

Ecology and natural history of the Masarid wasps of the world with an assessment of their role as pollinators in southern Africa (Hymenoptera : Vespoidea : Masaridae) [PDF]

open access: yes, 1993
The worldwide knowledge of the ecology and natural history of the masarid wasps, those wasps which bee-like provision their nest cells with pollen and nectar, is synthesized and discussed putting into context the investigations concerning nesting and ...
Gess, Sarah Kathleen
core   +1 more source

The mating sites of the reindeer nose bot fly: not a practical target for control [PDF]

open access: yes, 1995
The reindeer nose bot fly Cephenemyia trompe aggregates on hilltops/mountaintops to mate. Although active only for brief periods on certain days, males have been collected only from such sites.
Anderson, John R., Nilssen, Arne C.
core   +3 more sources

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