I'HTKLl.A. 07 



i'^li-fuscous, witli paler cilia, lii some specimous tiie fascia of tin; an- 

 terior wings is abbreviated, lianlly reaching beyond tlie Ibkl, apjiearing 

 as a spot on the iinicr iiiargin. 



A^ot common; the perlcct insect appears in June. 



Genus II. PJLUTSLLA. ^^HT. L^'' ' ' 



Pi.i-TELLA, Schr. F. P.. ii. KU) (1S0;2) ; Zett. Cin-odoma, Curt. ; Stej). 

 Aluclta p., Fab.; Lat. ; Dup. Anadeiia p., iliib. VpHobjpht'ii p., 

 Haw. Vlaldla p., Trcit. ; Zell. 

 (Japut hirsutuea. Aiitciuia.' siniplioes, artieulis valdo ilistiiiclis. llaus- 

 telluin mediocre, nudum. J'aipi inaxillares iilifbrmes, breves. I'alpi 

 labiales articulo secundo infra in faseiculum sul)atteuuatuni producto, 

 tertio erccto, aculeifornii. Abe eloiiguUc, ciliis longiuseulis infra 

 alarum apicem non inii)rcssis, podcnurcs lmtceolal(C. Ahe anteriores: 

 vena apiealis simplex ante apicem exeurrit, infra cam rami sex, quo- 

 rum intimns a penultimo longe distat ; pL-iudlhuua ct autcpennlluiiufi 

 ex eodem piuicto prodemit ; ccllula secuuilaria iudieata ; vena sub- 

 dorsalis longe furcata ; ala.' posteriorcs : cellula costalis sid)ito at- 

 tenuata ; \ena apiealis iv'/z/yy/cf ; vena subapiealis fureata. FoUieulus 

 larvfu rc'licnUformis. 



Head rough. Antenn;e not thickened with scales, with the joints 

 very distinct. Tongue of moderate length, naked. ]\Iaxillary palpi 

 short, iilifonn. Labial palpi with the second joint prolonged beneath 

 in a rather slender tuft; the thu'd joint erect, acuminate. Wings elou- 

 (jdlc, with rather long cilia not indented below the apex; i\\c poslerior 

 /ch/r/s lancc'olnfe. In the anterior wings the simple a[)ieal vein runs 

 into the costa before the apex; below it are six veins from the discoidal 

 cell, of which the lowermost is remote from the penultimate, aitd llie pe- 

 nidthuate and autepenuUimaU' proceed from the name po'ud ; the second- 

 ary cell is faintly indicated ; the subdorsal vein is i"u.rcate for a consi- 

 derable distance. In the posterior wings the costal cell is suddenly 

 attenuated, the apical vein is shiipJe, and the subapical vein furcate. 

 The larva constructs an ojmi, network cocoon. (/-•. Dahlia shows se- 

 veral discrepancies from the generic characters above given : the maxil- 

 lary jjalpi are rather long ; the secoiul joint of the labial palpi is scarcely 

 jiroduced to a tuft ; and in the ))osterior wings the costal cell is more 

 gradually attennated, and the subapical vein is simple.) 



The insects of litis genus make but sltort^ rather straight ilights, 

 speedily settling again on the low herbage. P. jiorrcclcUa appears 

 solely attached to the Jlcsjieris maLroiial'is, but 1\ Cruaferarum 

 cats with avidity most of the Crueiferotis jjlants. Iti the year 

 1851 this insect was excessively abundant throughout the country, 

 atid from Southend in Essex, to Belfast, the same enormous 

 multiplication of the species was observed; the turnip-growers 



