DEILEPHILA. 



26<> 



hind tibia as long as segments 2 and 3 together. Expanse : 

 £ 84-116 mm., 2 84-126 mm. 



J. Tenth tergite long (fig. 68 A. B), rather strongly curved, 

 apex rounded- truncate ; sternite much shorter than tergite, 

 broad, somewhat rounded at sides, narrowed from middle 

 to apex, which is pointed. Clasper rather strongly dilated 

 dorsally before apex ; large scales somewhat spotted with brown 

 at and before end ; harpe (fig. 68 C) : basal process prominent, 

 apical process obtuse, densely dentate on upper surface. 

 Penis-sheath (fig. 68 D) : apica] margin dorsally produced 

 into a rounded lobe which bears the left process ; this process 

 short, triangular, pointing proximad ; right process horizontal, 

 shorter than in allied species. 



?. Vaginal plate (fig. 68 E) regularly folded distally of 

 mouth of vagina, the edges of the latter raised ; much wrinkled, 

 a semicircular, ante-vaginal ridge rather prominent. 



Fig. 69. — Deilephila nerii (Linn.). 



Hab. Throughout India, Burma and Ceylon ; the Aethi- 

 opian Region and W. Asia, as a wanderer to the northern 

 parts of the temperate zone. Occurs as a rare straggler in 

 England, where it is known as the Oleander Hawk-Moth. 

 We have bred it in many localities in India, where it is very 

 common, and may be found in all types of country, including 

 the Sind desert and Aden, and the N.W. Frontier. 



Egg. — Superficial pits are visible under the microscope. 

 Length 1-5 mm. ; breadth 1-25 mm. ; height 1-25 mm. 



Larva : — 



1st instar. Head round, slightly bilobed ; body long and 

 thin, horn long, straight, bluntly bifid, with a seta on each 

 arm. Surface dull, all the main hairs present, and horn set 

 with erect spines at base and small hairs elsewhere. Colour 

 honey-yellow, horn black. 2nd instar. Shape as in the 1st 

 instar ; the whole body covered with minute hairs, among 



