146 



C. B. HARDENBEKG. 



Sette: Postero-dorsal Region. — The setaji are all 

 situated on the lower third of this region. Pd. 1 about level 

 Avith frontal seta (text-fig. 1, A, b) ; puncture pd.la niedio- 

 ventral and close to pd. 1 ; pd. 2 close to adfrontal region 

 and about equidistant from adfr. 1 and adfr. 2. Puncture 

 pd. 2 could not be found. The upper part of the postero- 



Text-fig. 1. 



/*/j/ jsl-2 



Acanthopsyche tristis Janse. Larva, first instar. 

 A. Left side of head, with regions indicated and showing position of 

 seta;. X 170. B. Latevo-ventral view of ocellar area, with regions 

 indicated and showing position of set*, x 170. c. Labvum. 

 showing position of setije. x 170. 



dorsal region shows three secondary punctures, the median 

 one a little higher than the top of the frons. 



Antero-dorsal Region. — Seta ad. 1 close to adfr. region 

 about level with the base of the frons ; ad. 2 about level with 



' In describing the distribution of the setaj the system of Dampf- 

 Heinrich has been followed, as it simplifies their enumeration. Alfons 

 Dampf, 'Zur Kenntniss gehansetragenderLepidopteren-Iarven,' Konigs- 

 berg i. Pr., 1910. Carl Heinrich, "On the Taxonomic Value of some 

 Larval Characters in the Lepidoptera," ' Proceedings of the Entomo- 

 logical Society of Washington." xviii, o. pp. 151—104, Septemlter. lino, 



