ASHMEAD : CLASSIFICATION OF THE CHALCID FLIES 421 



Spilochalcis varikgata (Fabricius). 

 Chains niriajafa Fabricius, Syst. Piez., ISfM, p. IGO.—Dalla Torre, Cat. Hyni., V., 

 1898, p. 393. 

 Brazil (Mr. Bates). 



TABLE OF NEW SPEC.TES. 



1. Thdiax jfllow or mostly yellow ■ 15 



Thorax black or mostly black, or red. 



Mesouotum entirely black 2 



Mesonotum not entirely black 5 



2. Dorsum of pronotum entirely yellow 3 



Dorsum of pronotum not entirely yellow. 



Hind margin of pronotum with a yellow line on each side ; clypeus e.xcept anteriorly, the front 

 and hind orbits, all tarsi, and a line on each side of the scutellum, yellow ; abdonicii black 

 with only the petiole yellow, ? S. tarsalis. 



Hind margin of pronotum entirely yellow ; head entirely black ; lateral mesothoracic lobes with 

 a yellow spot in front of the tegulje ; scutellum with a yellow Hue across the base ; abdomen 

 entirely black, ? ,S'. atriitn. 



3. Middle mesothoracic lobe entirely black 4 



Middle mesothoracic lobe not entirely black, either margined witli yellow or with miiuite yellow or red- 

 dish dots or spots, sometimes red or red in part 5 



4. Front orbits, a spot on hind orbits below, the scape, the apical half of scutellum, except the apical ridge, 



the legs, except a large spot on hind femora above at apex and their tarsi, yellow ; lateral mesothoracic 

 lobes and theaxilliE black ; abdomen with the basal half or more ferruginous, ?.. ..S. sarifaremcnfiix. 



5. Thorax above not red 11 



Thorax above red or red for the greater part. 



Hind coxiB black G 



Hind coxse ferruginous or yellow, but sometimes with a black spot or line 7 



6. Head red ; thorax except pleura and metathorax which are black, red ; scape, front and middle 



legs and the long petiole of abdomen, yellow ; body of abdomen rufous ; hind femora and tibite 

 ferruginous, ? S. riifodorsaliti. 



7. Head normal, seen from in front not wider than long 8 



Head abnormal, seen from in front much wider than long. 



Thorax, except the sutures, red, the pronotum with a yellowish tinge ; scape, front and middle 

 legs, yellow, the middle femora toward apex and the tibiaj toward ba.se brownish, the hind 

 femora dusky at middle ; abdomen red, ? ' S. laticeps. 



8. Thorax not mostly red 9 



Thorax mostly red 10 



9. Thorax, except the middle mesothoracic lobe posteriorly and the metathorax which are black, red ; 



base of antennse and the legs yellow ; abdomen yellowish, the petiole black, 9 S. nigropetiolalu. 



Thorax, except the middle mesothoracic lobe posteriorly, the lateral lobes and the scutellum which 

 are red, black ; head black ; front and middle legs yellow ; hind femora black ; hind tibiiu and 



tarsi and the long abdominal petiole, yellow, 5 ^'. rufosculellaris. 



10. Thorax, except the middle mesothoracic lobe posterioily ami the iiietathorax which arc black, red ; 

 legs yellow ; abdomen j)ale ferruginous, the petiole black iS'. ni(/ro}ieiioliila. 



