IDIOCERUS ELEGANS. 117 



Douglas's cabinet. Mr. Edwards says it is best dis- 

 tinguished from the preceding species "by the brown 

 bands of the elytra reaching to the costa ;" but it is 

 not easy to decide where the undefined band really 

 ends. 



Pale yellow, variegated with brown ; vertex very 

 finely punctured. Pronotum with one thick brown 

 mark, and one fine brown line on each side. Scutel- 

 luni with three more or less confluent dots. Elytra 

 shining, hyaline, with a medial ochreous-brown fascia. 

 The costal edge pale. Between this fascia and the 

 apex a milky white space. Apical nervures fuscous- 

 brown. Abdomen black above. Legs and feet yellow. 



Kare hitherto. Lives on the leaves of Popuhs 

 trcmula. Habitat, England, France, and Finland. 



Length of body, 0-20 inch., or 5*50 millimetres. 



Idiocerus ELEGANS (Bunu. /). Plate XXXV., 

 figs. 8, 3^/. 



Idiocerus elegans, Flor, PJiyn. Liv., ii. 147 ; Sahl. ; 

 Edw. pt. i. p. 119. 



Body fusiform. General colour ochreous-brown or 

 ochreous - yellow. Frons greyish, with brownish 

 edgings. Eyes, fore and hind margins of vertex, 

 fuscous-brown. Pronotum and scutellum with faint 

 ferruginous dashes or mottlings. *' Ocelli as distant 

 between themselves, as they are from the antennae " 

 (Sahl.). Abdomen fusiform, pointed. The last geni- 

 tal segment of the male is strongly notched. Colour 

 yellowish, marked by seven broad brown spots or 

 bandings. Some examples show the abdomen all 

 black. Legs yellow, and fringed with fine setas. 

 Elytra shining, with a ferruginous clouding near the 

 base, and paler near the apex. " Pone medium fascia 

 albido-hyalino " (Sahl.). Neuration obscure, but some 

 of the stronger veins brown. Wings greyish. 



