Strumigenys hilaris Fisher, 2000
publication ID |
8538 |
publication LSID |
lsid:zoobank.org:pub:AA3AF36F-DAE3-48E6-812F-8A9934C335BE |
DOI |
https://doi.org/10.5281/zenodo.6280194 |
persistent identifier |
https://treatment.plazi.org/id/97737564-C120-7F8C-FDD4-D137D344E6C9 |
treatment provided by |
Donat |
scientific name |
Strumigenys hilaris Fisher |
status |
sp. n. |
Strumigenys hilaris Fisher HNS sp. n. (Fig. 396)
HOLOTYPE WORKER. TL 3.1, HL 0.75, HW 0.55, CI 74, ML 0.43, MI 57, SL 0.53, SI 96, PW 0.34, AL 0.77. Characters of hilaris-complex. Mandibles inserted close together and slightly diverging at full closure. Each mandible with 2 preapical teeth, situated in the apical third of the length; proximal preapical tooth longer than distal. Upper scrobe margin bordered by a narrow rim throughout its length. Eye small, convex, and plainly visible in full-face view; its maximum diameter more or less equal to maximum width of scape. Scape more or less straight, widest in the midsection; hairs on leading edge fine, slightly flattened or spoon-shaped apically. Cephalic dorsum densely clothed with curved to subappressed narrowly spatulate ground-pilosity; upper scrobe margin fringed with curved narrowly spatulate hairs. Cephalic dorsum with 4 simple standing hairs arranged in a transverse row close to the occipital margin and a more anteriorly situated pair on vertex. Pronotal humeral hair absent; humeral angles rounded. Anterior margin of mesonotum with a pair of stout filiform hairs. Propodeum with two pairs or occasionally one pair of short, fine, posteriorly curved hairs immediately anterior of propodeal spines or at base of propodeal spines. Ground-pilosity on alitrunk as on head but sparser. Dorsum of alitrunk in outline convex anteriorly, more or less flat posteriorly. Anterior mesonotum without a distinct carina above the mesothoracic spiracle. Propodeal spines narrowly triangular, strongly elevated; propodeal lamella absent. Alitrunk dorsum and sides of pronotum densely reticulate-punctate, pleurae smooth and shiny with peripheral punctures. Fine longitudinally striolate sculpture present on pronotal dorsum; rugulose sculpture present on posterior lateral margins of pronotum. Petiole node in dorsal view about as broad as long. Postpetiole disc densely and finely reticulate-punctulate with longitudinally striolate sculpture. In profile ventral spongiform tissue of petiolar peduncle a very narrow, irregular strip that is deepest in posterior third of petiole, the deepest point of the tissue less than maximum width of eye. Ventral spongiform lobe of postpetiole moderately developed. Basigastral costulae short and distinct. Petiole with a pair of stiff standing hairs. Dorsal surfaces postpetiole and gaster with stout standing hairs. Colour light yellowish brown to medium brown.
PARATYPE WORKERS. TL 3.0 - 3.1, HL 0.72 - 0.75, HW 0.52 - 0.55, CI 71 - 74, ML 0.42 - 0.43, MI 55 - 59, SL 0.50 - 0.54, SI 94 - 100, PW 0.32 - 0.34, AL 0.74 - 0.79 (6 measured). As holotype.
Holotype worker, Madagascar: Marojejy R. N. I # 12, 14 ° 26143.2 " S, 49 ° 47 ' 8.3 " E, 375 m., 18. xi. 1993, rainforest, winkler app. # 44.11127 (G. D. Alpert) (MCZ).
Paratypes. 5 workers and 1 queen (dealate) with same data as holotype but dated 20. xi. 1993 and coded 108.13991, 108.13987, 108.13990, 108.13988; 1 worker and 1 queen (dealate) with same data as holotype but 665 m., 20. xi. 1993 (Alpert et. al.), # 106.10822, and # 106.10820 (BMNH, SAM).
S. hilaris HNS , luca HNS and milae HNS constitute the hilaris-complex, characterized by 2 preapical teeth or denticles on the left mandible and the absence of a projecting pronotal humeral hair. Within this complex, hilaris HNS can be identified by its relatively long scape, SI> 90.
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