RECLASSIFICATION OF MICROGASTERINI 43 



middle line, especially posteriorly, tending to fade out ; costula of propodeum 

 strongly developed ; median field of tergite (2 + 3) less transverse (Text-fig. 46). 

 Indo-oriental region ...... tirathabae Wilkinson (p. 65) 



- Middle lobe of the mesoscutum less shining, densely punctate all over ; costula of 



the propodeum more or less wanting ; median field of tergite (2 + 3) more 

 transverse. Cosmopolitan ...... galleriae Wilkinson (p. 75) 



120 The polished black occipital region reaches as far as the posterior ocelli (not even a 



zone of pubescence behind the ocelli) ; thicker spines along upper part of outer 

 side of hind tibia short, stubby, deeply reddish. 



Hind tibia and hind tarsus virtually black throughout ; ovipositor sheath 

 about one and a half times longer than the hind tibia ; ovipositor itself very thin. 

 Philippines ........ galatea sp. n. (p. 97) 



- The polished or smooth-looking occipital region is separated from the posterior ocelli 



by a zone of sculpture, sometimes very fine, or at any rate, by a zone of pubescence ; 

 thicker spines along upper part of outer side of hind tibia more upstanding, not 

 stubby ............. 121 



121 Propodeum on each side of the areola polished, and virtually smooth ; without 



rugae in the place normally occupied by the costula . . . . .122 



- Propodeum on each side of the areola with numerous rugae . . . .123 



122 Temples and vertex behind the ocelli with sharp punctation, the punctures im- 



mediately adjacent to the impunctate occiput particularly sharp and discrete ; 

 occipital region dull with a satin-like sheen ; ovipositor sheath hardly one and a 

 quarter times longer than the hind tibia. Ceylon. Philippines dotus sp. n. (p. 94) 



- Temples finely roughened ; vertex behind the ocelli almost as smooth as the 



occipital region except for fine pubescence ; occipital region polished black ; 

 ovipositor sheath hardly one and a quarter times longer than the hind tibia. 

 Africa ......... sagax Wilkinson (p. 73) 



123 Vertex between the ocelli and the eye-margin and also the temples, almost thimble- 



punctate . . . . . . . . . . . . .124 



- Vertex at most finely roughened ; temples at most with fine rugosity . . .125 



124 Ovipositor sheath about one and a half times longer than the hind tibia ; hind 



tarsus with segments 2-5 reddish yellow. Philippines . . eriphyle sp. n. (p. 78) 



- Ovipositor sheath about as long as the hind tibia; hind tarsus deeply infuscate 



throughout. 



Hind wing less broad. Sumatra ..... tigasis sp. n. (p. 78) 



125 Vertex behind the ocelli with fine, transverse aciculation, the width of the aciculate 



area in the longitudinal direction being about equal to the distance between the 

 posterior ocelli. 



Ovipositor unusually thick, its sheath distinctly longer than the hind tibia ; 

 costula of the propodeum hardly or not at all indicated. India 



metagenes sp. n. (p. 67) 



- Vertex behind the ocelli never thus aciculated . . . . . . .126 



126 Ovipositor sheath nearly one and a half times longer than the hind tibia. 



An irregularly costate furrow extends downwards from the area of rugosity 

 beneath the wing insertions into the mesopleural depression . . . .127 



- Ovipositor sheath distinctly shorter than the hind tibia. 



Small sp., ca. 2 mm. ; ovipositor thick with well marked apical constriction. 

 India .......... stennos sp. n. (p. 68) 



127 Antenna thick with segments 15-17 square in outline ; disc of scutellum rather wide 



and flattened behind ; hind tarsus not particularly long and thin. Sumatra 



ariovistus sp. n. (p. 97) 

 Antenna not at all thick, slightly tapered towards apex and with segments 15-17 

 distinctly longer than wide ; disc of scutellum narrower behind, less flattened 



