SKSIA APIFORMIS. 



HORNP;T SPHINX. 



Plate VI. Figure 9. 



THIS insect measures from one inch four lines to one 

 inch seven lines, and even more. Male: front wings 

 transparent, the upper edge broadly margined with dull 

 yellowish brown; the outer edge dull yellowish brown. 

 Hind wings also, transparent, rather broadly edged with 

 yellowish brown. The head is orange yellow; the thorax 

 brownish black, with a conspicuous spot of orange yellow 

 on each side, with two others similarly behind them. 

 The body is orange yellow; the first segment black; the 

 second black, orange yellow at the base; the third black 

 on its hinder part; the fourth dark brown; the fifth 

 and sixth dark brown on their hinder edge. 



Localities for this species are Exeter, Cambridge, 

 Rawmarsh, Glasgow, and near Sheffield. 



The dates of the appearance of the perfect insect are 

 from the end of May to July. 



The caterpillar is dull yellowish white, with a darker 

 line along the back; the head blackish brown. 



The date of the appearance of the caterpillar is from 

 October to April, when it changes to chrysalis. 



The caterpillar feeds on the wood of the poplar. 



