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Other literature type . 1915
License: CC 0
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ZENODO
Other literature type . 1915
License: CC 0
Data sources: Datacite
ZENODO
Other literature type . 1915
License: CC 0
Data sources: Datacite
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Pheidole megacephala

Authors: Emery, C.;

Pheidole megacephala

Abstract

Caracteres communs a toutes les formes de Ph. megacephala. Les soldats ont la tete considerablement retrecie en avant, en quoi ils different de pallidula et de picata; le corselet est plus large que chez pallidula, notamment le pronotum; ce segment a des epaules plus ou moins marquees, qui ne se voient pas, ou sont rudimentaires chez pallidula. La tete est ordinairement luisante dans sa partie posterieure, rugueuse longitudinalement, pointillee et mate, sur le front, les parties laterales de l'epistome et les joues; la portion rugueuse s'etend sur les cotes, en arriere de l' oe il; a l'endroit ou s'appuie le scape, il y a une impression plus ou moins pointillee, mate. Le derriere de la tete a des points piligeres de grandeur variable; le fond du sillon median a generalement des strioles longitudinales, qui s'etendent; parfois plus ou moins sur le vertex et l'occiput. L'ouvriere est, en general, plus petite que pallidula par rapport au soldat. Elle a la tete plus etroite, surtout chez les individus de petite taille, plus arrondie en arriere et le bord posterieur n'est pas droit, en quoi elle differe de pallidula et de picata. On remarque, au moins chez les individus de petite taille, le bord releve du trou occipital, faisant saillie, quand on regarde la tete en dessus. Je n'ai pas etudie les caracteres des femelles et des males, je ne dispose pas d'un materiel suffisant pour le faire utilement. Je n'ai pas l'intention de donner une description complete des sous-especes et varietes de Ph. megacephala: pour cela je renvoie le lecteur aux auteurs´qui les ont publiees. Il me suffira d'avoir mis un peu d'ordre dans cet echeveau embrouille. Il y a, sans doute, beaucoup de choses obscures, particulierement dans la serie punctulata-rotundata et dans ce qui est confondu sous le nom de la forme cosmopolite « pusilla », dans son sens restreint. Dans cette derniere surtout, des mutations dues aux conditions d'existence (notamment dans l'Amerique meridionale) meriteraient une etude.

Published as part of Emery, C., 1915, Les Pheidole du groupe megacephala (Formicidae)., pp. 223-250 in Revue de Zoologie Africaine 4 on pages 238-239

Keywords

Insecta, Arthropoda, Pheidole megacephala, Animalia, Biodiversity, Hymenoptera, Formicidae, Pheidole, Taxonomy

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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