NOTES ON TRICHOPTERA COLLECTED IN SICILY. 105 



The above will, I think, show how much may be done in the 

 elucidation of the life-histories of these obscure parasites by 

 their preservation by breeders of Lepidoptera ; no less than forty 

 of the above hosts were previously unknown to be attacked by the 

 parasites here enumerated. 



Monks Soham House, Suffolk : April 14th, 1906. 



NOTES ON TRICHOPTEEA COLLECTED IN SICILY BY 

 DE. T. A. CHAPMAN. 



By Kenneth J. Morton, F.E.S. 



Some time ago Dr. Chapman kindly handed to me a number 

 of Trichoptera taken by him in Sicily in the spring of 1905. The 

 list of species is not long, but the collection is interesting out of 

 proportion to its size, especially on account of the presence of a 

 species of RJiyacophila, which at first I thought to be quite new, 

 but which I am now disposed to regard as a race of the little- 

 known Rhyacophila rougemonti. 



The existing information as to the Trichoptera of Sicily is, I 

 believe, comparatively old and not extensive, resting mainly on 

 the researches of Zeller, Mann, and Bellier de la Chavignerie, 

 In any case, the species found in the island are probably not 

 numerous, the poverty in aquatic Neuroptera having long ago 

 been pointed out by Blanchard, and properly attributed to the 

 absence of lakes and marshes, and also to the very important 

 fact that the rapid torrents of winter very quickly dry up at 

 the beginning of summer. Thus it is that the characteristic 

 Neuroptera of Sicily and the coast of Calabria are those which 

 are terrestrial — ant-lions, species of Ascalaphus, and some 

 Hemerobiids. 



The species of Trichoptera found by Dr. Chapman are as 

 follows : — 



Stenophijlax ?. — A female of the group containing the 



large pale species, always difficult to determine in this sex when 

 isolated examples are found. The valves in the present speci- 

 men are much retracted, and in the meantime I cannot attempt 

 determination. 



Hydropsyche instahilis, Curt. — One female of what I take to 

 be the dark form that McLachlan says is characteristic of the 

 southern parts of Europe {stictica, Pictet). 



Wormaldia mediana, McL. — A small series of a Wormaldia 

 agrees fairly well with the description of this somewhat uncertain 

 species. 



Tinodes locuples, McL. — A pair. This species was originally 



