LEPIDOPTÉROLOGIE COMPARÉE iô 



J'-'D 



body is flesh-coloured while between thcm and the spiracular line, 

 the colour is blackish with one or two paler marks. The tubercles 

 are just as before. 



5th INSTAR. 



Length 4,4 cm. 



Head 3,5 nim. 



5th abdominal 5 rnm. 



Thorax a little over 4 mm. 



In this instar it is much stouter and shorter than hirtaria, and, 

 when it walks, the loop of the back is not so far thrown forward. 

 This, of course, dépends on the approximation to the shape of 

 zonaria. It. however, is not so circular in section as m that species 

 nor so uniformly cylmdrical, for there is a gentle broadening 

 from the collar to the fifth abdominal segment. Thence it 

 becomes slightly narrower toward the end. 



Hcad. Colour pale grey, yellowish tinted above and purplish 

 toward the mouth. It is lined and dotted with black much more 

 heavily than zonaria, but more lightly than in hirtana. It is pro- 

 portionately smaller than that of zonaria; still there is little deve- 

 lopment of the notching of hirtaria. The frons is more like zonaria 

 although the freckling seen in the apex of that of hirtana is clearly 

 visible. The two bristles rising from the two outermost of the lowcr 

 row of four spots on the frons, are very weak as in zonaria and 

 in no manner resemble the strong, stiff bristles of hirtaria. 



The colour of the mouth parts is somewhat yellow brown, but 

 the labrum is pale, with a darker edging. 



As in zonaria, the eyes are on a séries of black lines. The 

 antennae are much more distinct than in zonaria although perhaps 

 not so relatively broad. They are very like those of hirtaria for 

 we hâve a yellowish base followed by a black ring and a stout 

 pink club instead of a flesh-coloured base, somewhat clouded, 

 bearing a greyish club. 



Body. The ground colour of the larva, in most cases, is a clear 

 coll grey tending to a stone colour in some; often, the hère- 



