18S.5.] J31 



SEASONAL YAEIATIOT^ IN RHOPALOCERA. 

 BY GEOEG SEMPER, F.E.S. 



At the meeting of the Entomological Society of February 4th, 

 whereof the report has recently been issued with part ii of the Trans- 

 actions for this year, Mr. W. L. Distant exhibited a series of wings of 

 butterflies to illustrate seasonal variation of Indian Bhopalocera. 



At the 5th " deutscher Geographentag," held at Hamburg, 9 — 11th 

 Apri], 1885, the Committee had arranged an exhibition of objects 

 having in any way relations to geographical studies. In this exhibition 

 I exhibited, among other Lepidoptera, a series of Manila Pierida, 

 showing seasonal dimorphism (see " Fiihrer durch die geographische 

 Ausstellung, Hamburg, 1885," pp. 60, 61). The species exhibited 

 were, TacJiyris JVerissa, Grodart ; Pieris Aspasia, Stoll. ; Et^onia Bcehera, 

 Eschscholtz. 



Specimens flying during December to March, are nearly all lighter- 

 coloured than those flying from June to September, which are the 

 darkest ; and those from the intermediate months are generally of an 

 intermediate tint. Owing to the tropical climate of Manila, the 

 various broods are not so distinctly separated as in Europe, and, there- 

 fore, it happens that light-coloured specimens may be found during 

 June to September, or dark-coloured from December to March. But, 

 after a careful examination of several hundred specimens, captured in 

 the neighbourhood of Manila, the prevailing colour is as stated above. 



For example, I may quote the figures in Cramer, Pap. Exot., 

 t. 320, C D E F, PapUio Zelmira. The figures E F represent the 

 light, and C D the dark form of the female of Tachyris Nerissa, 

 Godart. 



Altona : September, 1885. 



THE NEPTICUL^ OF THE MOUNTAIN-ASH. 

 BY WILLIAM WARREN. 



The 11th vol. of the "Linnsea Entomologica" contains a treatise by 

 Prof. Frey on the Nepticulcs, in the course of which he describes as a 

 new species Nep. aucuparice ; and, subsequently, he quotes Tengstrom's 

 description of Nep. Nylandriella, the food of which was not then 

 known. On p. 376, we read : — 



" N. ATICUPARIJ^, n. sp. 



Capillis ochreis, antennarum conchula dilute Jlavida ; alis anter.fusco-czneis, 

 subnitidis, apicem versus saturate violaceis, c!7iw5'n5ew. 2^ . 1?. 



