Carebara reticapita

The type material was collected from warm deciduous broad leaf forest.

Identification
Xu (2003) - Close to Carebara lusciosa, but head has fine reticulations, propodeum with a pair of acute teeth.

Distribution based on Regional Taxon Lists
Palaearctic Region: China.

Nomenclature

 * . Oligomyrmex reticapitus Xu, 2003: 319, figs. 38-41 (s.w.) CHINA (Yunnan).
 * Combination in Carebara: Guénard & Dunn, 2012: 41.
 * Status as species: Guénard & Dunn, 2012: 41.

Worker
Holotype soldier. TL 1.7, HL 0.58, HW 0.45, CI 78, SL 0.25, SI 56, PW 0.28, AL 0.45, PL 0.18, PH 0.13, DPW 0.13. Head longer than broad, in full face view rectangular. Occipital margin moderately and angularly concave, occipital corners roundly prominent. Lateral sides straight and parallel. Mandible with 5 teeth. Median portion of clypeus longitudinally depressed. Bicarinate and divergent forward, anterior margin nearly straight. Antenna 9 segments with a 2-segmented club, apex of scape reaching 5/9 of the distance from socket to occipital corner. Eye with 3 facets. In profile view, occiput without horns, dorsum of head slightly convex. Promesonotum high and roundly convex. Promesonotal suture obsolete on the dorsum. Metanotum absent. Metanotal groove deeply impressed. Propodeum with a pair of acute teeth, dorsum straight and sloping down rearward, declivity concave with thin lateral laminae. Petiole pedunculate anteriorly, ventral face straight, anteroventral corner minutely toothed. Petiolar node thick, anterior and posterior faces sloping, dorsal face roundly prominent. Postpetiolar node roundly convex and lower than petiolar node. In dorsal view, petiolar node about as broad as postpetiolar node.

Mandibles and median portion of clypeus smooth and shiny. Head finely reticulate, occiput finely and transversely striate. Alitrunk and petiole with mtcroreticulations. Postpetiole and gaster smooth and shiny. Head and body with sparse suberect hairs and dense decumbent pubescences. Scapes and tibiae with dense decumbent pubescences. Body in color yellow. Head brownish yellow.

Paratype soldiers. TL 1.5-2.0, HL 0.55-0.60, HW 0.40-0.48, CI 73-79, SL 0.20-0.28, SI 50-58, PW 0.25-0.30, AL 0.43-0.48, PL 0.18-0.20, PH 0.13-0.15, DPW 0.11-0. 13 (4 individuals measured). As holotype but eye with 1-3 facets.

Paratype workers. TL 1.1-1.2, HL 0.30-0.38, HW 0.28-0.30, CI 80-92, SL 0.20-0.23, SI 73-75, PW 0.18-0.21, AL 0.33-0.38, PL 0.11-0.13, PH 0.10, DPW 0.08-0.09 (5 individuals measured). As holotype but body much smaller. Head normal, slightly longer than broad and weakly narrowed forward, lateral sides weakly convex, occipital margin shallowly concave in the middle. Apex of scape reaching 2/3 of the distance from socket to occipital corner. Eye with 1 facet. Promesonotum weakly convex. Propodeum with a pair of small acute teeth, dorsum moderately convex. Body color yellow.

Type Material
Holotype, soldier, No. A97-2282, 1600 m, Papa Village, Meng'a Town, Menghai County, Yunnan Province, collected in warm deciduous broad leaf forest by Dr. Xu Zheng-Hui on 9 Sep. 1997. Paratypes: 5 workers, with same data as holotype. 1 soldier and 8 workers, with same data as holotype but No. A97-2247. 1 soldier and 5 workers, with same data as holotype but No. A97-2406, 1 280m, collected on 10 Sep. 1997. 2 soldiers and 6 workers, with same data as holotype but No. A97-2376, 1 280m, collected on 10 Sep. 1997.

References based on Global Ant Biodiversity Informatics

 * Chen Y., C. W. Luo, H. W. Li, Y. J. Liu, H. F. Zheng, and F. C. Yang. 2013. Investigation of ant species and distribution on Wuliang Mountain. Journal of Henan Agricultural Sciences 42(5): 118-122.
 * Chen Y., C.-W. Luo, H. W Li, Z. H. Xu, Y. J. Liu, and S. J. Zhao. 2011. The investigation of soil ant resources on the West slope of Mt Ailao. Hubei Agricultural Sciences 50(7): 1356-1359.
 * Cheng D., Z. Chen, and S. Zhou. 2015. An analysis on the ant fauna of Jinzhongshan Nature Reserve in Gunagxi, China. Journal of Guangxi Normal University: Natural Science Edition 33(3): 129.137.
 * Fontanilla A. M., A. Nakamura, Z. Xu, M. Cao, R. L. Kitching, Y. Tang, and C. J. Burwell. 2019. Taxonomic and functional ant diversity along tropical, subtropical, and subalpine elevational transects in southwest China. Insects 10, 128; doi:10.3390/insects10050128
 * Guénard B., and R. R. Dunn. 2012. A checklist of the ants of China. Zootaxa 3558: 1-77.
 * Liu X. 2012. Taxonomy, diversity and spatial distribution characters of the ant family Formicidae (Insecta: Hymenoptera) in southeastern Tibet. PhD Thesis 139 pages
 * Liu X., Z. Xu, N. Yu, and C. Zhang. 2016. Distribution patterns of ant species ( Hymenoptera: Formicidae) in Galongla Mountains and Medog Valley of Southeastern Tibet. Scientia Silvae Sinicae 52(11): 88-95.
 * Song Y., Z. Xu, C. Li, N. Zhang, L. Zhang, H. Jiang, and F. Mo. 2013. An Analysis on the Ant Fauna of the Nangun river Nature Reserve in Yunnan, China. Forest Research 26(6): 773-780.
 * Xu Z. H. 2003. A systematic study on Chinese species of the ant genus Oligomyrmex Mayr (Hymenoptera: Formicidae). Acta Zootaxonomica Sinica 28: 310-322.
 * Xu Z. 2003. A systematic study on Chinese species of the ant genus Oligomyrmex Mayr (Hymenoptera: Formicidae) Acta Zootaxonomica Sinica 28(2): 310-322.