Leptogenys zhuangzii

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Leptogenys zhuangzii
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Ponerinae
Tribe: Ponerini
Genus: Leptogenys
Species: L. zhuangzii
Binomial name
Leptogenys zhuangzii
Xu, Z., 2000

Known only from the type material that was collected in secondary monsoon evergreen broadleaf forest.


This new species is close to Leptogenys confucii, but with body black; head, alitrunk and petiole with close fine punctures and retirugulae; head as broad in front as in post; masticatory margin of mandible with 1 small tooth in the middle.

Keys including this Species


Distribution based on Regional Taxon Lists

Palaearctic Region: China (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb



Known only from the worker caste.


The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.

  • zhuangzii. Leptogenys zhuangzii Xu, 2000a: 122, figs. 37-40 (w.) CHINA.

Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.



Holotype worker: TL 7.4, HL 1.70, HW 1.10, CI 65, SL 1.63, SI 148, PW 0.93, AL 2.53, ED 0.25, ML 0.87, PL 0.80, PH 0.93, DPW 0.70, LPI 117, DPI 88.

Head rectangular, much longer than broad. Occipital margin straight, occipital carina distinct. Occipital corners rounded. Lateral sides of head nearly parallel. Mandibles slander, masticatory margin as long as inner margin, inner margin without tooth, masticatory margin with 1 small tooth in the middle of the blade except the apical tooth, the basal corner rounded. Clypeus with sharp longitudinal central carina, median lobe extruding at apex. Scape of antenna surpassed occipital corner by 113 of its length. Joints of flagellum longer than broad, ratio of length of the basal 3 segments expressed as, segment 1: segment 2 : segment 3 = 4 5 : 4. Eyes moderate large. In profile view dorsum of alitrunk deeply notched at metanotal groove. Promesonotum convex, promesonotal suture distinct. Dorsum of propodeum weakly convex, about 2.5 times as long as declivity, declivity weakly convex. In profile view petiolar node roughly trapezoid, anterior face short, slightly convex, about 1/2 as high as posterior face, anterodorsal angle rounded, posterodorsal corner roundly extruding, dorsal face convex, posterior face straight. In dorsal view the node slightly broader than long, width : length = 10 : 9, narrowed forward. Subpetiolar process cuneiform, ventral face with a rounded notch. Constriction between the two basal segments distinct. Mandibles weakly longitudinally rugulose. Clypeus longitudinally striate. Head, alitrunk and petiole with close fine punctures and retirugulae, lateral sides of mesonotum and metanotum coarsely and longitudinally rugose. Gaster smooth and shining, with very sparse piliferous punctures. Dorsum of head and body with abundant erect long hairs, suberect short hairs and sparse decumbent pubescence. Head with dense pubescence. Scapes , femora and tibiae with abundant suberect long hairs, subdecumbent short hairs and dense decumbent pubescence. Body black. Mandibles, flagella, femora, tibiae, tarsi and gastral apex blackish brown to yellowish brown.

Paratypes: TL 7.1-7.8, HL 1.63-1.70, HW 1.10-1.13, CI 65-68, SL1.63-1.67, SI 147-148, PW0.93-0.97, AL2.47-2.60, ED0.23-0.27, ML 0.87-0.90, PL 0.77-0.83, PH 0.87-0.93, DPW 0.67-0.70, LPI 108-122, DPI 83-88 (5 measured). As holotype.

Type Material

Holotype: Worker, No. A97-2331, 1280 m, secondary monsoon evergreen broadleaf forest, Papo, Meng’a Town, Menghai County, Yunnan Province, Sep. 10. 1997, Xu Zheng-hui. Paratypes: 7 workers, with same data as holotype.


  • Xu, Z. 2000a. Five new species and one new record of the ant genus Leptogenys Roger (Hymenoptera: Formicidae) from Yunnan Province, China. Entomol. Sin. 7: 117-126 (page 122, figs. 37-40 worker described)