Labrum wide, short, golden yellow, with a brownish spot near median pit; 

 anterior margin with a small, median indentation with small, indistinct 

 tubercles at margin; setae 1 and 2 in form of thick, transparent spines 

 close to anterior margin; other setae short, strong, golden yellow. Mandibles 

 (Figure 815) dark brown, with 2 teeth on serrated blade. Sclerites of cardo 

 small, reddish brown; stipes with reddish brown, basal spot. 



FIGURE 814-816. Oecetis furvaRamb.: 



814 — head, dorsal; 815 — left mandible, dorsal; 816 — pronotum (A) and 

 mesonotum (B). 



Pronotum (Figure 816, A) yellow in its greater part, with brownish areas 

 511 in middle, and laterally; dots large, distinct; posterior margin narrow, 



light, with a chestnut brown spot laterally and a broad black lateral margin. 

 Anterior part of pronotum with 3—4 small, narrow, dark dots close to margin; 

 large, blackish brown dots, some of them on darker background on anterior 

 surface, near posterior margin and laterally. Mesonotum (Figure 816, B) 

 indistinct in pale specimens, brownish in dark specimens, with large dots in 

 anterior angles, posteriorly and laterally; both anterior-margin setae very 

 long; both large, surface setae also long, dark, with a short, light brown seta 

 between them; anterior- angle group with 2 short and 2 moderately long 

 setae. Metanotum with long medioanal setae; anterior angle with 3 long 

 setae and 2 short setae. 



638 



