40 SYJ1P1ILDJE. 



straight ; thorax and scutellum entirely 

 black ; abdomen with distinct paired 

 yellowish spots; third antennal joint 

 very elongate evtraned, sp. n. 



16 (3) Face black, or at most with yellowish mar- 



gins to buccal cavity ; thorax and scu- 

 tellum always black ; wings either entirely 

 hyaline or evenly infuscated, without any 

 broad yellow or brown pattern. 



17 (20) Wings hyaline, with a small brown apical 



spot at the end of the submarginal cell. 



18 (19) Pterostigma pale yellowish ; eyes adorned 



with three dark 'transverse bands ; abdo- 

 men black at base and reddish with black 

 .stripes on the broadened part ; female 

 with a rather long and flattened ovi- 

 positor ic/uieumonea, sp. n. 



19 (18) Pterostigma black ; eyes with only a middle 



band ; abdomen wholly black ; female 



ovipositor not protruding sapphirina, Wit-d. 



20 (17) Wings without defined brown apical spot, 



at most faintly infnscated at the extreme 

 tip. 



21 (24) Abdomen with a long stalk, the second 



segment being cylindrical, and as long as 

 or longer than the third. 



22 (23) Sides of buccal cavity black, like the rest 



of the face ; wings hyaline or faintly infus- 

 cated, in the female narrowly but dis- 

 tinctly darkened at the tip; thorax grey- 

 dusted : antennre short and dark prccusta, sp. n. 



23 (22) Sides of buccal cavity yellowish ; wings 



strongly infnscated, almost blackish along 

 the lore border; thorax golden-dusted; 

 antennfe a little longer and paler yellow . . marginata, sp. n. 



24 (21) Abdomen with a short stalk, the second 



segment being shorter than the third, 

 not cylindrical and constricted towards 

 the middle ; wings hyaline, with dark 

 stigmatic streak. 



25 (26) Antenna) and legs mainly yellow claripennis, Loew. 



26 (25) Antennae dark and legs mainly black brevis, Karsch. 



34. Baccha conifrons, sp. n. 



. Length of body 11 mm., of wing 7 m m. 



A slender, elongate, Ichneu?non-\ike species, easily distinguished 

 by the conical ocelliferous prominence on the irons, and by the 

 proportionally short and very narrow wings, which lack the alula 

 and axillary lobe. 



Erons dull velvety black, shining bluish on the prominent supra - 

 antennal tubercle ; there is a grey transverse band before the 

 shining portion ; ocellar tubercle more prominent than the supra- 

 antennal one, shining black and bare ; frons clothed with short 

 dark hair near the vertex and in the depression between the two 



