Dictionary

subcallus en · NOUN

Etymology

From sub- + callus.

Meanings

1. The lowest of the calli on the frons of some species of horse flies.
   • It is interesting to note that the presumed male of this species does not have shiny anterior tentorial pits but does have a pair of dark brown spots on the subcallus, these lacking in the female. 1985, Richard C. Wilkerson, “A new species of Stenotabanus (Brachytabanus) (Diptera: Tabanidae) with a key to the species of the subgenus”, in Proceedings of the Entomological Society of Washington, volume 87, number 1, page 223:

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