November, 1893. ' 249 



NOTES ON N EURO P TEE A. 

 BT KENlSrETII J. MORTON, F.E.S. 



Aqapetus delicatulus, McL., in Arran. — One ^ and two ? of an 

 Aqapehis taken last July in Arran appear certainly to belong to this 

 species. This is an interesting addition to the known distribution of 

 A. delicatulus, which, as British, has only been recorded from the 

 Killarney region, where it has been taken by Mr. King and myself. 

 On the continent it has been found in the Pyrenees. 



Brepanopteryx phalcenoides, L., at Cleghorn. — Another example 

 of D. phalcenoides was beaten from Corylus on August 7th last. Single 

 examples have uow been taken in the locality annually for two or 

 three years, but it still defies all efforts to make it common, the present 

 specimen being the result of quite two hours' work in its known 

 haunts. Distance keeps me from visiting Cleghorn in the evening, 

 when B. phalcenoides is known to fly, and when it might possibly be 

 taken more freely. 



Micropterous forms of Tceniopteryx. — Amongst a very great num- 

 ber of Perlidce collected during the present year perhaps the most 

 remarkable are two micropterous (^ of TcEiiiopteryx nebulosa, L., found 

 under stones by the river Mouse, near Cleghorn, in the early days of 

 March. Albarda says (Annales de la Soc. Ent. de Belgique, Tome 

 xxxiii) with regard to this form, " La forme microptere du male est 

 tres rare dans les collections. Sauf celle de Eambur, je n'en ai vu 

 que deux, prises en Ecosse par M. King." 



Mr. King has informed me that Albarda's remarks are not quite 

 coi-rect as regards the origin of the Scotch examples. These were 

 taken by me many years ago on the Clyde about the end of February, 

 and until the present season I have never been able to re-find the 

 form, which (with the exception of Rambur's type of N. minuta 

 alluded to) remains unknown, save from Clydesdale. 



It will be observed that these newer examples were taken on a 

 tributary of the Clyde, while the older ones came from the main 

 stream. The latter provided this season instead an almost equally 

 interesting micropterous form of T. trifasciata, Pictet. The apparent 

 rarity of these forms is no doubt due to the time of their appearance, 

 almost in winter, when they must be carefully sought for by stone- 

 turning, as they rarely ascend the still bare boughs of the bushes 

 growing along the margins of the streams, from which the winged 5 

 may sometimes be beaten. 



Carluke, N.B. : Ovtoler, 1893. 



