Chalicodoma (Alocanthedon) aterrimum
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Genus: Chalicodoma
Name
Chalicodoma aterrimum (Smith) – Wikispecies link – Pensoft Profile
- Megachile aterrima Smith 1862[1]: 60.
- Chalicodoma aterrimum(Smith); Baker 1993[2]: 223.
Additional material
Indonesia (Sulawesi): 1♂, 1♀, Central Sulawesi, Palolo nr. Palu, vii.1995 [July 1995] (SEMC); 1♂, Central Sulawesi, Sintuwu, SE of Palu, 1.xii.2000 [1 December 2000], I. Steffan-Dewenter (SEMC).
Diagnosisn
Both sexes of this species are easily recognized by the largely hyaline forewings with fuscous apex and dark brown to black venation (Figs. 35, 41). The male resembles that of Chalicodoma apoicola in the presence of a dense cluster of setae forming a spot in the medial cell of the forewing (Fig. 39), the outer surface of the protibia distinctly depressed distally (as seen in profile view), and the distinct median emargination of the preapical carina of tergum VI (Fig. 40). It can be separated by the smaller body size (17–19 mm vs. 24.6 mm), the disc of clypeus largely exposed, not covered by dense, appressed setae (Fig. 36), and the shape of protarsi and setation (compare Figs. 14 and 38). As in Chalicodoma memecylonae and Chalicodoma atratiforme, the clypeal margin of the female is relatively straight, without a medioapical tubercle. In addition to the forewing color (yellow with grayish hyaline apex in those species), the female of Chalicodoma aterrimum differs from those species by the sparser and larger punctures on the basal two terga contrasting with the smaller, denser punctures of the remaining segments. In Chalicodoma memecylonae and Chalicodoma atratiforme the punctures are small and tightly packed on all terga.
Taxon Treatment
- Engel, M; Gonzalez, V; 2011: Alocanthedon, a new subgenus of Chalicodoma from Southeast Asia (Hymenoptera, Megachilidae) ZooKeys, 101: 51-80. doi
Other References
- ↑ Smith F (1862) Catalogue of hymenopterous insects collected by Mr. A.R. Wallace in the islands of Ceram, Celebes, Ternate, and Gilolo. Journal of the Proceedings of the Linnean Society 6(22): 49–66. [Note: This section, from 1 March 1862, is the closing half of an article initiated in the previous number of the journal from 1 November 1861, 6(21): 36–48.]
- ↑ Baker D (1993) The type material of the nominal species of exotic bees described by Frederick Smith. Ph.D. Dissertation, Oxford University, Oxford, vi+312 pp.
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