Results 21 to 30 of about 233,936 (357)

Non-Invasive Genotyping of Honey Bee Queens Apis mellifera L.: Transition of the DraI mtDNA COI-COII Test to In Silico

open access: yesInsects, 2020
The honey bee Apis mellifera L. colony is headed by a single and indispensable queen, whose duty it is to ensure brood production and provide pheromonal stability within the colony. This study presents a non-invasive method that allows the identification
Shayne Madella   +2 more
doaj   +1 more source

Faunal diversity of Paederus Fabricius, 1775 (Coleoptera: Staphylinidae) in Iran [PDF]

open access: yes, 2012
Beetles of the genus Paederus sensu stricto Fabricius, 1775 (Coleoptera: Staphylinidae) are often noticed because of their potency in inducing a dermal lesion, so-called linear dermatitis.
Naderi, Mehdi   +2 more
core   +2 more sources

“Species or Subspecies?” [PDF]

open access: yesNature, 1897
THE article by Mr. Lydekker with the above title, in your issue of July 15, deserves some comment. The writer appears to think that the “lumpers” have gained a point; but his attitude, while professing to be a “lumper,” shows how much progress the cause of the “splitters” has made in the last few years.
openaire   +1 more source

Pituophis melanoleucus [PDF]

open access: yes, 1990
Number of Pages: 8Integrative BiologyGeological ...
Parker, William S., Sweet, Samuel S.
core   +1 more source

Maternal Inheritance in Hybrids of Three Honey Bee Subspecies

open access: yesJournal of Apicultural Science, 2019
The identification of honey bee (Apis mellifera) subspecies is often based on the measurements of workers’ fore-wings. The interpretation of the measurements can be difficult because the phenotype of workers is affected by both genetic and environmental ...
Węgrzynowicz Paweł   +4 more
doaj   +1 more source

Sphaerodactylus vincenti [PDF]

open access: yes, 2008
Number of Pages: 6Integrative BiologyGeological ...
Henderson, Robert W.   +3 more
core   +1 more source

Combining morphology and molecular data to improve Drosophila paulistorum (Diptera, Drosophilidae) taxonomic status

open access: yesFly, 2018
The willistoni species subgroup has been the subject of several studies since the latter half of the past century and is considered a Neotropical model for evolutionary studies, given the many levels of reproductive isolation and different evolutionary ...
Rebeca Zanini   +5 more
doaj   +1 more source

Unified phylogenetic species concept: taking subspecies and race out of science: postmodern theory applied to the Potamophylax cingulatus group (Trichoptera, Limnephilidae) [PDF]

open access: yesOpuscula Zoologica Instituti Zoosystematici et Oecologici Universitatis Budapestinensis, 2018
The subspecies of the biological species concept with incomplete reproductive isolation versus the incipient sibling species of the phylogenetic species concept with permeable reproductive barrier are still applied side by side in the everyday practice ...
Oláh, J.   +8 more
doaj   +1 more source

Cupule aud acorn basic morpbological differences between Quercus ithaburensis Decne. subsp. ithaburensis and Quercus ithaburensis subsp. macrolepis (Kotschy) Hedge & Yalt [PDF]

open access: yes, 2002
Estructura del glande y de la cúpula de Quercus ithaburensis Decne. subsp. ithaburensis y de Quercus ithaburensis subsp. inacrolepis (Kotschy) Hedge & Yalt.: Diferencias esenciales.Key words. Quercus ithaburensis, taxonomy, morphology, acorn, cupule,
Dufour-Dror, Jean-Marc, Ertas, Aytekin
core   +3 more sources

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