ashmead: classification ov the ciiALcin ki,iks 243 



4. Abdomen with the hind margin of the first dorsal segment (or its flap) incised at the middle 5 



Abdomen with the hind margin of tlie first dorsal segment straight, not incised. 



Monodontomerus Westwood (tyi)e ilf. ohsrurtis Westw.). 



5. Funicle with 6 joints ; head smooth or at most with sparse punctures (> 



Funicle with 7 joints ; head and thorax with large, thimble-like imnolures. 



Hind femora with a single tooth beneath towards apex Diamorus Walker 



(type 'Ihnjinii^armatus Boheman). 



Hind femora with two teeth beneath toward apex Physothorax JIayr 



(type Diamorus variabilis Mayr ?, Physothorax disciger Mayrcf). 

 ti. Thorax delicately shagreencd ; hin<l femora with a single indistinct tooth beneath towards apex. 



Plesiostigma JNIayr (type P. bicolor Mayr). 

 7. Eyes bare ; abdomen with the hind margin of the first do^rsal segment incised ; hind femora usually ser 



rate or with one or two teeth beneath towards apex ■ 8 



Eyes hairy ; abdomen with the hind margin of tlie first dorsal segment straight, not incised ; hind 



femora sometimes without a tootli Oligosthenus Forster (type Ichneumon stigma Fabr... 



S. Front femora much swollen, tlie in-onotum longer than the mesonotiim ; antennse with two ring-joints. 

 Plesiostigmodes Ashmead, g. nov. (type P. brasiliensis Ashm.). 

 Front femora normal, the pronotum shorter than the mesouotum ; antenna; with one ring-joint. 



Hind femora serrate and usually w'th one tooth beneath ; stigmal vein short but distinct, the 



knob always petiolate ; thorax without thimble-like punctures Cryptopristus Forster 



(type Turymus caliyinosus Walk.). 

 Hind femora feebly serrate beneath without a tooth ; stigmal knob sessile, the stigmal vein not 



developed ; thorax with small, thimble-like punctures Hemitorymus Ashmead, g. nov. 



(type H. thoracicus Ashm.). 



9. Apterous or with rudimentary wings IG 



Winged. 



Hind femora beneath towards apes finely serrate and usually also with one or two teeth. ... 13 

 Hind femora beneath smooth with one large tooth some distance from the apex 10 



10. Scutellum without a cross-furrow before apex 11 



Scutellum with a cross-furrow before apex 1- 



11. Stigmal vein very short ; abdomen concave above Holaspis Mayr. 



Stigmal vein not short, oblique ; abdomen not concave above Websterellus Ashmead. 



12. Hind margin of the first dorsal segment incised at the middle 13 



Hind margin of the first dor.sal segment straight, not incised at the niidiile. 



Monodontomerus Westwood. 



13. Head smooth, or at the most with spar.se punctures ; funicle G-jointed H 



Head and thorax with rather large, thimble-like punctures. 



Hind femora with a single large tooth; stigmal vein not short, the knob moilerately large; hind 

 tarsi very long, the first joint long Diamorus Walker. 



Hind femora with two rather small teeth (normal fiirni) ; stigmal vein very short, the knob very 

 small ; hind tarsi not especially long, the first joint not longer than -J and H united. 



Physothorax Mayr. 



14. Eyes bare ; hind margin of first abdominal segment usually incised medially !■"' 



Eyes hairy ; hind margin of the first abdominal segment straight, not inci.sed ; hind femora usually 



" without a tooth Oligosthenus F.nster. 



