n. pl.1.(Zool.) Naked spaces between the feathered areas of birds. See Pteryliæ.
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Entretanto, deve-se salientar que foram catalogadas 11 novas ocorrencias para o Maranhao, sendo elas: Acisanthera crassipes, Ancistrotropis peduncularis, Apteria aphylla, Cassipourea guianensis, Dioclea violacea, Melochia parvifolia, Oldenlandia tenuis, Piriqueta hapala, Rhynchospora hirsuta, Rugoloa pilosa, Sacciolepis indica e Vigna luteola.
(7) The dense feather layer and lack of apteria in penguins create a greater diagnostic challenge.
We also visually inspected nestlings of lark sparrows for ectoparasites, including apteria, feathers (if present), and facial, neck, and wing regions as described by Clayton and Walther (1997).
Apteria 1/0; Burmannia 2/0; Dictyostega 1/0; Gymnosiphon 3/0
Under the wings are the largest of these patches, called apteria, which cool birds in flight.
En el neotropico se han registrado 10 generos y cerca de 55 especies (Maas & Maas, 2005), de las cuales hasta el presente solo tres se han citado para la Argentina: Apteria aphylla (Nuttall) Barnhart ex Small, Burmannia capitata (Michx.) Mart.
Only slightly swollen, foliose rhizomes in combination with long, filiform roots observed in most Burmanniaceae (Apteria, Burmannia, Cymbocarpa, Dictyostega, Gymnosiphon, Hexapterella, Marthella, Miersiella).