98 HISTORIA CULTURAE 
et abdomine nigris. 2. Scutello pallide-notato; - 
abdomine nigro, plerumque marginibus segmento- 
rum pallidis. 3. Scutello pallido; abdomine rufo 
aut rufo-nigroque; e. g. Cryptus sticticus F. Bas- 
sus testaceus F. etc. 4. Scutello nigro; abdomine 
rufo, aut rufo-nigroque; e. g. Ichn. nemoralis 
Fourcr. Ichn. sulphuratus Gr. Familia 5. Abdo- 
mine subsessil aut subpetiolato, oblongo; seg- 
mento primo basin versus sensim angustato; ala- 
rum cellula cubitali intermedia vel nulla, vel parva 
iriangulari aut irregulari; antennis gracilibus aut 
mediocribus; pedibus mediocribus; aculeo subex- 
serto. 1. Scutello et abdomine nigris; e. g. Bas- 
sus praerogator F. 2. Scutello pallide- notato; 
abdomine vel toto nigro, vel marginibus segmento- 
rum pallidis; e. g. Ichn. lituratorius L. Ichneum. 
amictorius Panz. 3. Scutello pallido; abdomine 
vel rufo vel rufo-nigroque. 4. Scutello nigro; 
abdomine vel rufo, vel rufo- nigroque, vel flavo- 
nigroque; e. g. Ichn. rutilator auct. etc. Fami- 
lia 6.  Abdomine subsessih, oblongo -subcylin- 
drico; segmento primo vel subquadrato, vel basin 
versus sensim angustato; alarum cellula cubitali 
intermedia vel nulla vel parva triangulari; capitis 
facie protuberante, antennis mediocribus; pedibus 
brevibus crassis; aculeo abscondito. 1. Cellula 
cubitali intermedia parva, e. g. Cryptus curvator F. 
2. Cellula cubitali intermedia nulla, e. g. Ichneu- 
mon femoralis Vill. Familia 7. Abdomine subses- 
sili, oblongo-ovato; segmento primo basin versus 
sensim angustato; alarum cellula cubitali inter- 
