Results 41 to 50 of about 25,280,342 (389)
Frontiers in Plant Science, 2023 BackgroundBiologists have long debated the drivers of the genome size evolution and variation ever since Darwin. Assumptions for the adaptive or maladaptive consequences of the associations between genome sizes and environmental factors have been ...
Ge-Ran Hutang +6 more
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NEW SPECIES OF ORTHOPTERA [PDF]
The Canadian Entomologist, 1877 General color light brown. Upper part of pronotum and hind femora with a reddish tinge. Face sometimes mottled. Antennæ light brown infuscated apically. The usual black band behind the eye broad and distinct, and reaching last division of pronotum, bounded below by a narrower white stripe.
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Oryx, 2023 The green turtle Chelonia mydas is a large marine turtle present in tropical and subtropical seas of the Atlantic, Pacific and Indian Oceans. It is categorized as Endangered on the IUCN Red List based on the trend of nesting populations at 32 sites, of ...
Jacques Fretey +9 more
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A New Species of Xiphosomella (Hymenoptera: Ichneumonidae) [PDF]
, 2017 The genus Xiphosomella belongs in the subfamily Cremastinae. This genus and Pristomerus differ from other genera of the subfamily in having a distinct thyridium on the second tergite.
Johnson, Keith R.
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NEW SPECIES OF CYNIPIDAE [PDF]
The Canadian Entomologist, 1881 Cynips (Q. Californica, n. sp.Galls: Polythalamous, sessile on the branches of the Californian White Oak (Quercus Hindsii ?) Sub-globular, but varying much in form and size. A common form is what may be termed balloon-shaped, the upper part perfectly globular, the lower tapering more or less to the sessile base.
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, 2019 Charles Darwin's seminal formulation of the theory of evolution, "On the Origin of Species" continues to be as controversial today as when it was first published.
C. Darwin
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International Journal of Systematic Bacteriology, 1994 The 16S rRNA gene sequences of 34 named and unnamed clostridial strains were determined by PCR direct sequencing and were compared with more than 80 previously determined clostridial sequences and the previously published sequences of representative ...
M. Collins +8 more
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Frontiers in Marine Science, 2021 Vessel biofouling is a major pathway for the introduction, establishment, and subsequent spread of marine non-indigenous macro-organisms. As a result, national and international regulations and guidelines have been implemented to manage the risks ...
Eugene Georgiades +8 more
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The Canadian Entomologist, 1891 Cerura modesta, n. sp.Male.—Front and vertex nearly white. Collar a little darker, tinged with a faint creamy yellowish-brown. Thorax dark stee-blue, almost black, with metallic purplish reflections, the orange scales forming so marked a feature in other species either entirely absent of with but a faint trace of their presence.
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A nonet of novel species of Monanthotaxis (Annonaceae) from around Africa [PDF]
, 2016 As part of an ongoing revision of the genus Monanthotaxis Baill. (Annonaceae), nine new species are described and one variety is reinstated to species rank. Two new species from West Africa (Monanthotaxis aquila P.H. Hoekstra, sp. nov.
Chatrou, Lars +2 more
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