XAXTHOPIMPL.l. Ill 



Table of Species. 



1 (50) Abdomen distinct!}' punctate at least 



iu centre of central segments. 



2 (49) Mesouotal vittae not carinate; scutel- 



lum less distinctly bordered. 



3 (32) Antenuae not longer than body ; areolet 



not or hardly petiolate. 



4 (9) Metanotal areola entirely wanting 



beyoud the costulae. 



5 (8) Areolet entire ; mesoiiotuni not cen- 



trally sulcate. 



6 (7) Antennae basally rufescent ; eighth 



abdominal segment with two black 



spots tiyris, Krieg., p. 113. 



7 (6) Antennae black above ; eighth abdo- [p. 114. 



minal segment black with base pale . carimaculata, Caua., 



8 (5) Areolet wanting ; mesonotum longi- 



tudinally sulcate in centre . ncetiia, sp. n., p. 115. 



9 (4) Metauotal areola distinctly carinate 



throughout (except X. kandiensis). 



10 (15) Areola not transverse, usually dis- 



tinctly hexagonal. 



11 (12) Apical radial abscissa strongly sinuate; 



thorax immaculate immaculata, sp. n., 



12 (11) Apical radial abscissa hardly sinuate ; [p. 115. 



thorax black-marked. 



13 (14) Terebra shorter than half abdomen ; 



scutellum subpyramidal pedator, F., p. 116. 



14 (13) Terebra at least equal to half abdomen ; 



scutellum simply convex reyina, sp. n., p. 118. 



15 (10) Areola more or less transverse and 



often not hexagonal. 



16 (23) Areola only slightly broader than long 



and subhexagonal. 



17 (18) Central mesouotal lobe sulcate ; wings 



apically infumate trifasciata, Smith, 



18 (17) Central inesonotal lobe entire ; wings [p. 119. 



obsoletely infumate. 



19 (20) Petiolar fascia entire ; hind femora 



black-marked fasciata, Krieg., p. 121. 



20 (19) Petiolar fascia centrally interrupted; 



hind femora immaculate. 



21 (22) Second segment black-marked ; hind 



tibiae immaculate nursei, Cam., p. 121. 



22 (21) Second segment immaculate ; hind 



tibiae basaily black transversalis, Voll., 



23 (16) Areola very much broader than long, [p. 122. 



constricted throughout towards base. 



24 (29) Face not pyramidally prominent ; only 



alternate segments usually black- 

 marked. 



25 (26) Third segment with only two marks 



black ; antennae black kandiensis, Cam., 



26 (25) Third segment not so marked; antennae [p. 123. 



paler. 

 -27 (28) Third segment apically, and a line on 



hind tibiae, black tibialis, sp. n., p. 124. 



