230 ORTHEZIA URTIC^E. 



ORTHEZIA UETIC^I (Linnaeus). 

 (PL LXXV, figs. 1-8.) 



Aphis urticx, Linn.; Syst. Nat., 736, 30 (1767).* 

 Nee Coccus floccosus, De G-eer ; Mem., vii, p. 215, 



pi. xliv (1783). 

 Orthezia characias, Bosc; Journ. de Phys., xxiv, 



171, pi. i (1784).* 

 Dorthesia characias, 1'Abbe d'Ortliez ; id., 207, pi. i, 



figs. 14-16 (1785).* 



Coccus dubius, Fab. ; E. S., iv, 228, 27 (1794).* 

 Dorthesia urticse, Burm. ; Handb., ii, 76, t. ii, figs. 6 



and 11 (1835).* 

 Orthezia urticss, Amy. et Serv. ; Hemipt., 624 (1843). 



Signoret ; Essai, p. 423 (syn. partim), pi. i, 



fig. 13, <? larva f ; pi. xxi, fig. 1, head of J ; 



figs. 1 g, h, j, antennae of embryo and ? larva ; 



fig. 1 m, <$ genitalia. Douglas ; Ent. Mo. 



Mag., xvii, p. 174 (1881) ; id., Trans. Ent. Soc. 



Lond., 1881, pt. iii, p. 297, pi. xv, figs. 1-7. 



Adult female (fig. 1) with " a large, thick, bilobed 

 projection over the head; conjoined to this, on the 

 dorsal surface of the body, are two highly projecting 

 parallel ridges, composed of seven or eight thick, 

 subangular, backwardly-directed, closely-overlapping 

 plates, leaving between the ridges a deep longitudinal 

 furrow, which, like them, extends to the end of the 

 body. The furrow -is quite regular and smooth, but at 

 the base of the ridges on the outer side is generally a 

 series of small supplementary scales ; by these ridges 

 the segments of the body are quite hidden. The cir- 

 cumferential laminae, starting at right angles to the 

 base of the frontal projection, somewhat narrow and 



* This part of the synonymy is from Douglas (' Ent. Mo. Mag./ vol. xvii, 

 p. 174). 



f This figure evidently represents Newsteadia floccosa, ? . 



