ASHMEAD : CLASSIFICATION OF THE CHALCID FLIES 421 



Spilochalcis vakiegata (Fabricius). 



Chalcis variegata Fabricius, Syst. Piez., 1804, p. 160. — Dalla Torre, Cat. H^-m., V., 

 1898, p. 393. 

 Brazil (Mr. Bates). 



TABLE OF NEW SPECIES. 



1. Thorax yellow or mostly yellow 15 



Thorax black or mostly black, or red. 



Mesonotum 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 except anteriorly, the front 

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

 with only the petiole yellow, 9 S. taisalis. 



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

 a yellow spot in front of the tegulse ; scutellum with a yellow line across the base ; abdomen 

 entirely black, $ S. atrata. 



3. Middle mesothoracic lobe entirely black 4 



Middle mesothoracic lobe not entirely black, either margined with yellow or with minute 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 the axillae black ; abdomen with the basal half or more ferruginous, 9 . . . .S. santareniensis. 



5. Thorax above not red .^ 11 



Thorax above red or red for the greater part. 



Hind coxae black 6 



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 tibiae 

 ferruginous, 9 , S. rufodorsalis. 



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 tibiae toward base brownish, the hind 

 femora dusky at middle ; abdomen red, 9 • ^- 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 antennae and the legs yellow ; abdomen yellowish, the petiole black, 9- • --S. nigropefiolata. 



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 tibiae and 



tarsi and the long abdominal petiole, yellow, 9 S. rufoscutellaris. 



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

 legs yellow ; abdomen pale ferruginous, the petiole black , ,,.,,,, S. nigropetiolata. 



