Catasticta sisamnus ayanganna, Bollino, Maurizio & Costa, Mauro, 2007

Bollino, Maurizio & Costa, Mauro, 2007, An illustrated annotated check-list of the species of Catasticta (s. l.) Butler (Lepidoptera: Pieridae) of Venezuela, Zootaxa 1469, pp. 1-42 : 4

Catasticta sisamnus ayanganna ssp. nov.

Holotype: male, Guyana: Region 7, Mt. Ayanganna, Koatse R., 2500’–3300’, 05°26.0’N 60°00.4’W, 2–25 Apr 1999, leg. S. Fratello, R. Hanner, W. Prince, R. Williams/ Bar code, USNM ENT 0 0 232165, in USNM, will be deposited in CSBD (fig. 4: d-e)

Description: FW length: 28 mm.

Dorsal surface: black ground color with white yellowish markings. FW discal cell with a small spot; white yellowish discal band composed of three spots separated from each other by black veins, that in cell M3-CuA1 being small and oval. Thick and elongated submarginal spots in cells R4/R5-M1, M1-M2, M2-M3, M3-CuA1 and CuA1-CuA2. White yellowish discal band of HWs extended to the end of discal cell; no submarginal spots, but two faintly scaled in cells M1-M2 and M2-M3.

Ventral surface: black ground color with deep yellowish markings. FW as on dorsal surface, but with a series of premarginal elongated interneural spots. HW as on dorsal surface, but with complete series of submarginal interneural elongated spots and premarginal dots.

Diagnostic characters: a distinctive subspecies, with reduced clear markings. Its pattern approaches ssp. bythina Röber, 1924 from the Colombian Cordillera Oriental.

Paratypes (8 males, 1 female): 5 males, same data as HT, but Bar Code 0 0 232158, 0 0 232159, 0 0 232160, 0 0 232161 and 00232162; 1 female, same data as HT, but Bar Code 0 0 232167, in USNM; 3 males, same data as HT, but Bar Code 0 0 232163, 0 0 232164 and 0 0 232166, in USNM, will be deposited in CSBD.

Distribution: Known only from the type locality, where it is localized but not scarce. It should be looked for on other mountains of the Guyana Shield, especially near the border with Guyana.

Etymology: this subspecies is named after its type locality, Mt. Ayanganna, the highest mountain situated entirely within Guyana.