Camponotus humerus

Nothing is known about the biology of .

Identification
Wang and Wu (1994) – Similar to Camponotus vitiosus with the following differences: In C. humerus, pronotal angles with obtuse teeth; anterior border of pronotum margined; pronotum much broader than mesonotum and propodeum; color of head, alitrunk and petiole brownish red to brownish black. While in C. vitiosus, pronotal angles obsolete; anterior border of pronotum round, without a margin; pronotum slightly broader than mesonotum and propodeum; color of head, mesonotum, propodeum and petiole black or with a tint of brown.

Distribution
Jiangxi Province, China.

Distribution based on Regional Taxon Lists
Palaearctic Region: China.

Nomenclature

 * . Camponotus humerus Wang, C. & Wu, 1994: 25, figs. 5, 12 (w.) CHINA (Jiangxi, Sichuan).
 * Combination in C. (Myrmamblys): Radchenko, 1997d: 812.
 * Status as species: Bolton, 1995b: 104; Wu, J. & Wang, 1995: 175; Radchenko, 1997d: 812; Ran & Zhou, 2011: 68; Guénard & Dunn, 2012: 28; McArthur, 2012: 209.

Worker
minor (Holotype cited first): TL 3.3, 4.0, 4.1; HL 0.81, 0.94, 0.96; HW 0.78, 0.89, 0. 90; HI 96, 94, 94; SL 0.80, 0.90, 0.82; SI 103, 101, 91; PW 0.66, 0.79, 0.78; ED 0.22, 0.22, 0.24; PI 85; 89, 87; WL 1.10, 1.04, 1.20.

Head slightly longer than broad. Sides of head and occipital border slightly convex. Clypeus convex, without medial crina. Anterior border transverse or slightly emarginate. Protonum very broad, 1.8-2.0 times of the length. Anterior border of pronotum margined. Pronotal angles forming two obtuse teeth, slightly pointed to the up of the pronotum. Meso-propodeal suture obsolete. Propodeum narrow. The posterior part of the base of propodeum declive. Declivity of the propodeum almost vertical. Petiole broad, cuneate, the apex transverse. Gaster broad and large.

Body shining. Punctures at front of the head minute and reticulated. Posterior part of the head more or less delicately wrinkled; Alitrunk and petiole delicately wrinkled. Gaster smooth.

Pilosity dilute. Pubescense can only be seen in certain light. Alitrunk and petiole each with 6 hairs. Pronotum without hairs. Mesonotum without hair or with 2 hairs. Head, alitrunk and petiole brownish red. Gaster black.

Variation: The worker collected in Jiangxi Province with the mesonotum, propodeum and gaster brownish black.

Type Material
Holotype worker: Fenyi Co., Jiangxi Prov. 1989-V-27, Wang Changlu leg. Paratypes: one worker with same data as the holotype; one worker, Guan Co., Sichuan Prov., Wang Minsheng and Wang Changlu legs. Type specimens are kept in the Insect Collection, Chinese Academy of Forestry.

References based on Global Ant Biodiversity Informatics

 * Wang C., and J. Wu. 1994. Second revisionary studies on genus Camponotus Mayr of China (Hymenoptera: Formicidae). Journal of Beijing Forestry University (English Edition) 3(1): 23-34.