symenOpterous family stbphanid^. 777 



c? . Differs from $ in the stouter petiole, third segment not, 

 or scarcely longer than its basal width, fourth strongly transverse 

 (subelongate in $ ), its extreme base longitudinally striate. 

 Length 19-14-5 mm. 



Habitat : Rio Autaz, Apipica, Cururuzinho, Brazil ; Peru, Dept. 

 Chanchamayo. 



This species seems by no means plentiful. It resembles 

 H. vadosus Schlett., from which it may be known by the coarser 

 sculpture of pro- and meso-thorax, shorter terebra, and colour of 

 head. The simple posterior margin of the head and longer third 

 flagellar joint will separate it from H. Iim2ndi2}ennis, tener, and 

 wicstneii Schlett. 



Neostephanus. 



KiefFer (1), p. 4, gen. n. 



Smith's genus Fce.nato'pxis was defined as having the cubital 

 and discoidal cells wanting, or only indicated by indistinct 

 nei'vures. 



Kiefier {I. c.) subdivided this genus, placing in a new subgenus, 

 Neostephanus, those species in which the apical margin of the 

 external submedian cell is marked by a transverse nervure, while 

 retaining in Foenatopus those in which this nervure is absent. 



The species of the subgenus Neostephanus appear to be confined 

 to Central and South Africa and Madagascar, to which latter 

 island the type-species, N . alluaudi KieflT., belongs. 



Table of Species. 



(2.) 1. Hind femora tridentate ; frons irregularly rugose ; vertex 



with four trans-carinse 1. alluaudi KieS. 



(1.) 2. Hind femora bidentate. 



(4.) 3. Temples rugose and dull except shining raised space near 



eyes ; pro- and meso-notum closely rugose 2. insignis Schlett. 



(3.) 4. Temples smooth and shining. 



(6.) 5. Head large and globose; frons arcuate punctate... 3. ^?o6icej3s Enderl. 



(5.) 6. Head ordinary ; frons not arcuate punctate. 

 (10.) 7. Frons rugose. 



(9.) 8. Frons obliquely rugose ; median segment diffusely punctate. 



4. camerunus Endcrl. 



(8.) 9. Frons subarcuate rugose ; median segment coarsely and 



partly conttuently punctate 5. cj-ass jjjes Bischoff 



(7.) 10. Frons reticulate. 



(12.) 11. Vertex with one transcarina; 2nd and 3rd flagellar joints 

 equal ; mesopleurge smooth ; black, with white-marked 

 head and abdomen 6. albomaculatusCum.. 



(11.) 12. Vertex bicarinate ; 3rd flagellar joint as long as first and 

 second together; mesopleurse granulose and dull; red- 

 brown, abdomen yellow-marked 7. pentheri Kieff. 



1. ALLUAUDI Kieflf. 



Neostephamis alluaudi Kiefier (1), p. 1, ? . 



2 . Face and frons ii-regularly rugose, becoming arcuate 

 towards the frontal tubercles, the space between which is not 



