144 JAMES WATERSTOX. — NOTES ON COCCID-INFESTING CHALCIDOIDEA. 



with anteriorly a ventral row of about 12 short bristles, but with fewer bristles on the 

 apical third — about 15 in all ; tibiae (10 : 3) with two short subapical median spines, 

 and one rather longer smooth apical dorsal spine, the closely appressed short spines 

 covering more than one-third of the anterior subdorsal surface, and there being besides 

 a subventral row of the same spines ; two apical ventral spines about four-fifths as 

 long as the first tarsal joint ; the tibial comb consisting of 14 short hyaline spines. 

 Proportions of the tarsal joints : — 



Front 



Md 



Hind 



Abdomen : First tergite longest, and 1-3 subequal ; 4 and 5 shorter ; 6 postero- 

 medianly a little incised, with minute spiracle. Tergites 3-5 bear complete post- 

 median rows of bristles ; the sixth has three rows and the seventh four, there being 

 about 40 bristles on the dorsal surface (excluding the overlapping portions behind 

 the stylets, from which rise three long and one short bristles), of which 4, on the 

 posterior edge in widely separated pairs (2:2), are longer. Especially on the basal 

 tergites the pattern is faint, but stronger and scale-hke posteriorly ; the posterior 

 sternites bear medianly many bristles. 



Length, just over 1 mm. ; alar expanse, 1*55 mm. 



Type — a P (on three slides) in the British Museum. 



Strait Settlements : Singapore (J. H. Burkill). 



This specimen was extracted by Mr. E. E. Green from the body of a scale-insect 

 {Lecanium sp.) occurring in hollow stems of a macaranga plant and sent to him by 

 Mr. Burkill, the Director of the Botanic Gardens, Singapore. 



Amongst the black or pui"plish or prevaihngly dark brown species of Coccophagus, 

 C. acanthosceles differs irom. purjnireus, Ashm. (1886) and orientalis, How. (1896) in 

 the hyahne mngs, from funeralis, Gir. (1913) in the coloration of the legs, and from 

 immaculatus, How. (1880) in the puncturation of the scutellum. In oleaphilus, Silv. 

 (1915) the scape is about three times as long as the pedicel, while the mandibles, 

 mid tibiae and antennae separate the Singapore species at a glance from princeps, 

 Silv. (1915). Dr. Masi has very kindly examined the type and reports that his niger 

 (1909) belongs to a diiTerent section of the genus. In the antennal characters 

 the new species possibly comes closest to orientalis and in the thorax to princeps, 

 but it appears to be very distinct from anything yet described. The antennae 

 and fore \\angs are short in the type ; possibly in fully developed specimens they 

 might be a little longer. The general coloration in hfe also is probably submetallic 

 on the head and thorax. 



