176 the entomologist's record. 



aec/ us, Chapman (in Obth., xiv., p. 42, 1917), from Geneva ' and 

 Budapest, similar to the Isere couple figured by Oberthiir (fig. 296-7), 

 with male of a clearer blue than latialis and female more frequently 

 and extensively powdered with this colour ; underside a little darker ; 

 otherwise very similar to it in size and other characters. T Finally I 

 have specimens of the Pollauer Berg in Moravia, which belong to a 

 fifth very distinct race on account of their diminutive size (21-22mm), 

 very deep purple colour in male, with black marginal streak broad, 

 dark grey underside, such as no other race exhibits, and very minute 

 black markings, also quite characteristic ; I name it aegusella. From 

 Lobau and Basdorf I have specimens which answer the designation of 

 aegusella trans, ad. aegus. Bace aegusella resembles P. idas, Li,* more 

 than the others ever do, but though the genitalia have not been 

 examined, I feel confident it is co-specific with insvlaris. Were it an 

 idas it would be a very distinct race from any other. 



* English entomologists and many others cannot identify this Linnean name 

 with any species of butterfly. — G.W. and Hy.J.T. 



Smerinthus hybr. hybridus. 



By T. H. COLEBBOOK TAYLOB. 



I have recently reared a small brood of Smerinthus hybr. hybridus, 

 which may be of interest on account of the unequal distribution of the 

 sexes. The total number of moths is 25, and of these 22 are males 

 and the remaining three are gynandromorphs, not a single oue being 

 female. The observations are made from the external characters 

 only, and it is therefore possible that some of the apparent males may 

 possess female characters internally. 



There is considerable variation in the brood and this is chiefly 

 connected with the ocellated spots on the hindwings. The majority 

 are of the usual form, which is too well known to need description, 

 but in four specimens there is scarcely any trace of the spot, while in 

 two others the spot is unusually clearly defined and pupilled. 



The parents (<? ocellata and $ pgpuli), which resulted from larva? 

 found near Beading, emerged on May 2nd, 1921, and were put in a 

 cage together ; on the same day a female popuU emerged, and this was 

 put in a neighbouring cage. The two moths paired during the night 

 of May 5th-6th and separated at dusk on May 6th. 



The female popitli laid about 150 ova altogether between May 8th 

 and 15th. Of these, nearly all were fertile, but only 50 batched. The 

 larva? were sleeved on willow and 25 reached the pupal stage, between 

 July 5th and 12th. The first moth emerged on July 24th, and the 

 last one on August 27th. It is significant that the last three moths 

 to emerge were the three gynandromorphs which are described below : 



1. Imperfect Gynandromorph. — Preponderantly J . Bight an- 

 tenna typically 5 — length 8 - 8 mm. Left antenna pectinated but not 

 as much as in typical males — length 9'2 mm. The dark brown rect- 

 angular blotch, which is always present on the thorax of acdlata, 

 is plainly perceptible, but is displaced to the left ; it is not confined to 

 one half only as in the next specimen to be described. Otherwise, 

 colouring of thorax uniform. The colouring of the abdomen is uni- 

 form, and there are no anal claspers. 



