224 THE entomologist's record. 



and as part of a tendency to a white band in this position, 

 which is again most evident in 3 and 4, 6 and 7, and partially 

 in 9. There is also a row of dorsal red spots which tend to be 

 red transverse lines in the incisions of the segments, decidedly 

 so between 12 and 13, and less so on those in front. There is 

 abroad red lateral line immediately above, but almost including 

 the sub-spiracular tubercles. In a very few examples this line 

 is nearly white towards the incisions (as in last skin). The 

 post-spiracular tubercle is a mere dot ; the other tubercles are 

 black, carrying bundles of black bristles as long as the diameter 

 of the larva. The tubercles on 5 and 12 are larger than the 

 others, as the segments themselves are. On all the posterior 

 trapezoidals are some white bristles, most pronounced on 6 and 

 7, also on 2.3 and 4. Beneath, the colour is paler, pale fuscous. 

 There is some little variation in the markings, some specimens 

 having the white spots from 6-12 very distinct, and with reddish 

 and ochreous marblings, which coalesce into pale circles round 

 the posterior trapezoidals of 6-1 1, and some of the supra- 

 spiracular tubercles. The spiracles are inconspicuous. 



On entering the 5th skin, the newly changed larva viewed 

 dorsally looks like a black cross in a white setting, the dorsum 

 is black and the 5th segment with its tubercles and hairs is 

 also black, whilst the subdorsal hairs of 2,3.4 ^^^ ^ ^^'^ 

 onwards are whitish, and the white lozenges of 10. 11 and 12 

 complete the white border towards the tail. As the larva 

 grows, it becomes more like the full-grown larva, but retains 

 the black and white aspect, as compared with the brown tone 

 of the larva in the last skin. The lateral line also is yellowish 

 towards the incisions. The posterior trapezoidal, and, to a less 

 degree, the anterior, and the supra-spiracular tubercles have an 

 abundance of plumose hairs, black on 5th segment but white 

 (or pale ochreous) on the others, most abundant on 5 and 6 

 and diminishing thence in either direction so that 3 and 10 are 

 almost without them ; spiracles white with a conspicuous white 

 dot in front of each ; head black, with, in some specimens, an 

 inverted V above the clypeus, brown. 



In the last (6th) skin, the length is from 29 to 34 mm. 

 When first moulted, hardly any markings are visible and the 

 larva (especially the variety with red hairs on 5) might pass 

 for fuliginosa. As the larva grows, the various markings 

 appear and the familiar aspect is assumed — it seems unneces- 

 sary to transcribe my description of so well-known a larva, 

 though it may be well to call attention to the marblings of the 



