Prenolepis guatemalensis, Forel, race antillana, Forel, A., 1893
publication ID |
3948 |
publication LSID |
lsid:zoobank.org:pub:5E6A481F-664E-428C-A636-08D4BD5A1EF0 |
DOI |
https://doi.org/10.5281/zenodo.6292852 |
persistent identifier |
https://treatment.plazi.org/id/096537A1-8C7D-A97F-5FF8-624365A9551A |
treatment provided by |
Christiana |
scientific name |
Prenolepis guatemalensis, Forel, race antillana |
status |
n. st. |
3. Prenolepis guatemalensis, Forel, race antillana HNS , n. st. (Nos. 54 a a 54 m et 58 a).
J'ai decrit dans mes Etudes Myrmecologiques en 1884 (Bull. soc. vaud. Sc. nat, vol. xx.) sous le nom de Prenolepis vividula var. guatemalensis HNS une forme que l'etude plus complete faite des lors du genre Prenolepis HNS m'oblige a separer completement de la P. vividula HNS . Outre sa couleur et sa pubescence plus forte, l'ouvriere se distingue de la vividula HNS par sa tete un peu plus large et moins convexe, par sa forme un peu plus robuste et par sa chitine moins lisse. Mais ce sont surtout les valvules genitales du [[ male ]] qui rattachent la guatemalensis HNS au groupe obscura-fulva et non a la vividula HNS .
[[ worker ]]. L. 2, 1 a 2, 5 mill. Elle ne se distingue de la guatemalensis HNS i. sp., que par sa couleur plus foncee, d'un brun jaunatre sale, avec les antennes testacees, sa taille un peu plus grande (la guatemalensis HNS n'a que 2, 0 mill.), son epistome un peu moins voute et surtout, par son metanotum bien plus bas, plus aplati, plus allonge, formant une voute tres faible, tandis qu'il est assez fortement voute chez la guatemalensis HNS i. sp.; chez les deux formes, la face basale est beaucoup plus courte que la face declive. La pilosite est aussi un peu plus pointue. Chez l' antillana HNS , comme chez la guatemalensis HNS i. sp., le bord anterieur de l'epistome est echancre au milieu et le scape depasse le bord posterieur de la tete des 2 / 5 de sa longueur. Chez l' antillana HNS , le mesonotum est aussi long que le pronotum, chez la guatemalensis HNS i. sp., sensiblement plus court.
Elle se distingue de la P. fulva HNS par sa taille beaucoup plus petite et par sou metanotum plus allonge et bien moins voute, ainsi que par sa pubescence plus faible.
[[ queen ]]. L. 4, 8 mill .. Plus grande que la guatemalensis HNS i. sp. qui n'a que 3, 8 a 4 mill. Les ailes sont assez fortement enfumees de brun plus fonce que chez la guatemalensis HNS i. sp. et la fulva HNS , dont elle est du reste fort difficile a distinguer.
[[ male ]]. L. 2, 2 a 2, 4 mill. Metanotum allonge et subhorizontal, au moins aussi long que le mesonotum (sans l'ecusson). Valvules genitales exterieures pales (jaunatres), en triangle isocele presque equilateral, plus larges a leur base et plus pointues a l'extremite que chez la P. fulva HNS . Valvules moyennes comme chez la P. fulva HNS , mais plus [[ ... ]] massives; le prolongement externe n'est pas courbe. Du reste semblable au [[ male ]] de toutes les formes voisines.
Il est fort possible que les formes antillana HNS et guate- malensis doivent etre reunies plus tard a la P. fulva HNS comme races.
N. B. Une [[ queen ]] du No. 57 a est une Prenolepis antillana HNS .
(54). Common locally, especially in the forest. The communities consist of several hundred individuals. The formicarium is generally in rotten wood, sometimes under a stone, and I have found no trace of external galleries; generally there are several small chambers connected irregularly by short passages. All the forms are quite active. N. B. - More than one species may be included here, but I have not attempted to separate very closely allied forms.
(54 a). Morne a Garou; forest, 1500 ft. Nov. 1 st. Under the bark of a damp rotten log. The formicarium, so far as I traced it, occupied an irregular space about four inches square. The winged ants were numerous.
(54 b). Wallilobo Valley (leeward), Nov. 8 th, Dry forest, hill-side, 800 ft. Small colony under a stone.
(54 c). Morne a Garou; forest, 1500 ft. Oct. 27 th. A small nest in rotten wood.
(54 d). Wallilobo Valley, Nov. 8 th. Damp forest. A nest of several chambers in a rotten stick.
(54 e). Bowwood Valley, near Kingstown. Second growth; 800 ft. Oct. 15 th. Beaten from foliage.
(54 f). Various situations.
(54 g). Mountain forest, 3000 ft. March. Found in moss.
(54 h). Richmond Valley, 800 ft. Cacao orchard. Sept. Formicarium in rotting leaves.
(54 i). Upper Richmond Valley, 1500 ft. Nov. 27 th. Forest near stream. Workers found scattered under Bod on rocks or beaten from foliage.
(54 j). Same locality as No. 54 i. - Nov. 27 th. Forest near the stream. A small nest in and under a log.
(54 k). Hermitage Estate, Cumberland Valley, 1000 ft. Damp forest. Formicarium in and under a log on the ground. Some of the galleries were walled in by a substance made of wood-fibre. Several hundred ants, with many winged males and females. Dec 2 nd.
(54 l). Richmond Valley; thick forest, 1100 ft. Worker found in decaying leaves. Males, doubtfully referred to this species, on freshly-cut wood. Dec. 29 th.
(54 m),. Same locality as No 54 l. Jan. 18 th. Under stone near stream.
(58). Apparently distinct from Nos. 19 and 54. I have found only a few specimens in thickets near the coast, under stones and rubbish, or on foliage; and I have not observed the nest.
(58 a). Leeward side; at various points near the coast, thickets, or open land. Under stones and rubbish, or beaten from foliage. Aug. - Nov.
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