ASHMEAD : CLASSIFICATION OF THE CHALCID FLIES 427 



femora armed with a large tooth, followed by eighteen small black teeth ; abdomen in ? fusiformly 

 pointed, the petiole at least thrice as long as thiek, in 7 long ovate, llie petiole at least four times as 



long as thick S. tinilineala. 



62. Hind coxse immaculate 63 



Hind coxfB with a black stripe beneath. 



Mesopleural furrow black ; abdomen conic-ovate, more or less banded with fuscous, the petiole 



not thrice as long as thick ; legs, except as noted, yellow, immaculate S. lineoco.rdlis. 



6'^. Some old species fall in here. 



04. The two black lines on the anterior part of the middle mesothoracic lobe unite ;iii<l form a loop or a 



delta-shaped mark, which is sometimes connected with the base of the .scutcllum liy a black line. 65 



The two black lines on the anterior jiart of the middle mesothoracic lobe do not viiiitc to form a loop 



or delta-shaped mark 73 



05. Mesopleural spiracles surrounded by black 00 



Mesopleural spiracles not surrounded by black 71 



CO The black loop on the middle mesothoracic lobe is connected with the base of the scntellum by a 



central black line 67 



The black loop on the middle mesothoracic lobe is not connected with the base of the scutellum by a 

 central black line 71 



07. Lateral mesothoracic lobes not margined with black along the inner margin, at the mo.st with a black 



spot (iS 



Lateral mesothoracic lobes margined with black along the inner niaigin. 



Hind femora with a black spot on disk outwardly S'. cliajxtdenais. 



08. Hind cox;c immaculate, except at extreme apex ; abdomen conic-ovate, fusiformly pointid or lanceo- 



late 69 



Hind coxse with a black spot above. 



Abdomen short, globose S. brancensis. 



69. Hind femora immaculate, or at most with a small spot at apex, the disk never maculate 70 



Hind femora with a curved black spot across the disk and a small black spot at apex. 



Abdomen conic-ovate »S'. vagabumla. 



70. Abdomen fusiformly pointed or lanceolate, the petiole at least thrice as long as thick S. magrellii. 



71. Lateral mesothoracic lobes with an abbreviated black line on the inner margin. 



Hind femora immaculat'e or at most with a small black spot at apex 72 



Hind femora with an oblong black spot on disk near the upper margin. 



Hind coxa; immaculate S. van. 



72. Hind coxa; with a small black spot above ; loop on the middle mesothoiacic lobe more or less incom- 



plete, the lines interrupted on each side of the line fi'om the base of the .scutellum. .. .S. incomplcta 

 Hind coxce immaculate ; loop on the middle mesothoracic lobe complete S. pcrmmilis. 



73. Scutellum with three triangular black spots at base and a triangular black spot at a]>ex S. fulleii. 



74. Scutellum with three black spots at base, the apex with a black .spot or with a central black line. . 75 

 Scutellum with a transverse black line at base or with only two black spots 70 



75. Lateral mesothoracic lobe with a black spot ; hind femora with a black spot at apex : abdomen fusi- 



formly pointed, the petiole from two and one half to three limes as long as thick. 



Hind coxae with a black spot at base above ; petiole of abdomen yellow ; i)ronotum with four 



black spots 'S'. hotlandi- 



Hind coxa; immaculate, or without a black spot at base above ; petiole (>l':ili(liinieu black ; pro- 



