290 LLOYD'S NATURAL HISTORY. 



Synanthedon, Hiibner, Verz. bek. Schmett. p. 129 (1818?); 

 Newman, op. cit. p. 77 (1832); Walker, List Lepid. Ins. 

 Brit. Mus. viii, p. 19 (1856). 



Antennae rather stout, serrated and pubescent beneath, in 

 the male, but not pectinated ; body rather slender ; abdomen 

 tufted at the tip. Fore-wings with three transparent areas, the 

 longitudinal area extending at least as far as the transverse 

 band ; the hind-wings transparent, except at the edges. 



THE WHITE-BARRED CLEAR-WING. TROCH ILIUM SPHECIFORMIS. 

 (Plate CLV., Fig. 4.) 



Sphinx spheriformiS) Gerning, Frankf. Beytr. ii, p. 33, pi. i, 

 fig. 2 (1780); Esper, Schmett. ii (2) i, p. 212, Taf. 30, 

 fig. 4 (1782); Hiibner, Eur. Schmett. ii, figs. 77, 78 

 (1802?). 



Sphinx sphegiformis, Vieweg, Verz. Schmett. i. p. 15 (1789), 



Sesia spheciformis, Laspeyres, Ses. Eur. p. 12 (1801); Och- 

 senheimer, Schmett. Eur. ii, p. 134 (1808); Kirby, Eur. 

 Butterflies and Moths, p. 78 (1879); Barrett, Lepid. of 

 Brit. Isl. ii, p. 82, pi. 55, figs. 3, 3a-c(i893). 



Trochilium sphegiformis, Buckler, Larvae of Brit. Lepid. ii. pp. 49, 

 127, pi. 28, figs, i, la (1887). 



The White-barred Clear-wing is found throughout the greater 

 part of Europe and Northern Asia, but, like so many of this 

 Family, it is rare and local as a British species, It expands 

 about an inch. 



The body is shining black, with a yellow longitudinal line 

 on each side of the thorax. The abdomen has a yellow belt 

 on the third segment above, and another on the fifth below ; 

 there is also a yellow spot on the surface of the basal segment. 

 The wings are transparent ; the fore-wings, with the nervures, 

 the hind margin, apex, and a broad transverse stripe in the 



