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Show 484 MR. A. G. BUTLEB ON [Nov. 4, 13. TARUCUS THEOPHBASTUS. Hesperia theophrastus, Fabricius, Ent. Syst. iii. 1, p. 281, n. 32 (1793). Lycana theophrastus, Lucas, Expl. Alg., Zool. iii. pi. 1. fig. 6 1849). 8 2, Lahej, 3rd April, 1883. Occurs also at Huswah according to Major Yerbury. M. Lucas's figure is not very characteristic. The species may readily be distinguished from T. nara of India by the break in the submarginal series of spots on the under surface of the secondaries, the spots towards the costa forming a line with those beyond the cell. 14. ZIZERA TROCHILUS. Lycana trochilus, Freyer, Neuere Beitr. v. pi. 440. fig. 1 (1844). Lycana parva, Murray, Trans. Ent. Soc. 1874, p. 526, pi. 10. fig. 1. Aden, 14th January ; 3rd, 6th, and 18th February; 6th, 12th, and 19th March ; Huswah, 2nd March ; Lahej, 3rd April, 1884. The characters upon which Mr. Murray relied for the separation of his L. parva from Zizera trochilus are not only slight but not constant:-" Its much smaller size, and also from its presenting in both wings a series of white markings immediately beyond the discal row of spots." In the eleven Aden specimens before me the size varies from 17 to 24 millimetres in expanse, the smallest specimen therefore agreeing with Mr. Murray's type, and the largest exceeding by 4 millim. the largest of our other examples of Z. trochilus; the white markings also (which are only expansions of the white borders to the ordinary spots) fail, or, more strictly speaking, correspond with those of Z. trochilus, in two specimens from the Transvaal in the Museum collection. 15. ZIZERA KNYSNA. Lycana knysna, Trimen, Trans. Ent. Soc. ser. 3, vol. i. p. 282 (1862). Shaik Othman, 18th January, 9th March; Huswah, 2nd April; Lahej, 3rd April, 1884. As a rule slightly larger than specimens from South Africa, but exactly corresponding in every other respect; one example taken at Shaik Othman on the 20th April is somewhat aberrant, being small even for typical Z. knysna, and with the under surface as white in tint as that of Z. pygmaa. 16. ZIZERA GAIKA. Lycana gaika, Trimen, Trans. Ent. Soc. ser. 3, vol. i. p. 403 (1862). Aden, 4th February, 6th and 12th March ; Haithalkim, 4th April, 1884. The specimens correspond in all respects with those from South Africa. |