Zobrazeno 1 - 8
of 8
pro vyhledávání: '"George O. Poinar, Jr."'
Publikováno v:
Journal of the Botanical Research Institute of Texas. 16:63-72
The recently described fossil angiosperm genus Eophylica (Rhamnaceae) was based on 18 amber-embedded specimens derived from two sites in northern Myanmar. A vegetatively similar fossil, which came from the same amber mines but which lacked flowers, h
Publikováno v:
Journal of the Botanical Research Institute of Texas. 16:73-74
The name Endobeuthos paleosum, previously published in this journal, was invalid due to the lack of a designation of one of the illustrations as the holotype specimen and the others as paratypes. This oversight is here corrected and the taxon name pr
Autor:
Claire Villemant, Dario Zuccon, Quentin Rome, Franck Muller, George O. Poinar Jr, Jean-Lou Justine
Publikováno v:
PeerJ, Vol 3, p e947 (2015)
Since its introduction in France 10 years ago, the yellow-legged Asian bee-hawking hornet Vespa velutina has rapidly spread to neighboring countries (Spain, Portugal, Belgium, Italy, and Germany), becoming a new threat to beekeeping activities. While
Externí odkaz:
https://doaj.org/article/b20515727a3c4262acda829c025ce60e
Autor:
George O Poinar Jr, Helmut Sturm
Publikováno v:
Deutsche Entomologische Zeitschrift. 45:43-48
The oldest known member of the family Meinertellidae from Lebanese amber (Lower Cretaceous, 120–135 mill, years old) is described. The male specimen represents also the oldest bristletail which can be placed unquestionably in the Machiloidea. Taxon
Autor:
Helmut Sturm, George O Poinar Jr
Publikováno v:
Entomologia Generalis. 22:157-170
The first species of the ordo Archaeognatha from amber of the Dominican Republic (age ca 20-25 million years) is described: All of the more than 100 examined specimens can be assigned to a single species, Neomachilellus (Praeneomachilellus) dominican
Publikováno v:
The Journal of Agriculture of the University of Puerto Rico. 80:47-54
Paralienates hyalinus es descrito a partir de un ejemplar en ámbar dominicano.
Autor:
George O. Poinar Jr
Nematodes are one of the most abundant groups of invertebrates on the face of the earth. Their numbers are estimated to range from 1000 per cm2 in the sand-covered hydrogen sulphide ‘black zone'beneath the ocean floors to 1.2 billion in a single he