— 71 — 



eo) antennae nigrae. 



7. IV. macnlafns, 'Fah. — Nigcr, pronoti fa stia inmargim 

 postico integra vtriìique abbreviata, callis humeralibus, saiielU fascia 

 basali, abdominisque fasciis Iribus (in segm. 4-5) interruptis, jlavls; 

 genicvlis, tibiis larsisqite ferriigineis (^ abdominis segmento primo 

 femoribusque posticis la^le rufis); alis cinerascenti-hyalinis; genis mar- 

 ginatis. — Long. corp. mill. 6-8: cxp. al mill. 40-45. 



e* anterrarum articulo ultimo retrorsum profunde Ivnato-ex 

 cavato. 



Variai: o* abdominis segmento primo rufo ut in femina-^scìt- 

 tello immaculalo. 

 ^ abdominis segmento primo nigro ut in mare. 



Sphea; maculala, Fab. Ent. Syst. II, 215. 70. J 



Pomjnlus maciilalus, id. Suppl. 251, 32. 9 



Nysson maculalus, Latr. — Vand. Lind. 3l,4 — Dahlb. 170,103^ 

 Cost. Fn. Niss. 22,4.. tav. XIII. fìg. 3. J— Gerst. 36,8. 



Nysson omìssiis, Dahlb. Hym. 485. 3. d^ 



Nysson duhius, Cost. 1. e. 19, 2, tav. XII. fig. 4. c^ 



Nysson mierrujHiis, Lep. 45, 1. (excl. f)— Wcsm. 78, 4.. 



Nysson gullatus , Oliv. Encycl. Vili. 409, 7: 9 — Shuck. Foss. 

 Hvm. 103,4: d^. 



Trovasi nel Napoletano , in pianure del pari che su monti 

 elevati ; nel Piemonte (Craveri). 



8. W. dimidiatus , Jur. — Niger, facie clypeoqm argenteo 

 micantibus; mandibulis, tegulis, abdominis segmento primo pedibus- 

 que ex parte, rufis; callis humeralibus abdominisque fasciis dorsali- 

 bus 4-5 ( in segm. 4-5 ) interruptis, pallide flavis s. albidis; genis 

 immarginatis; alis fumato-hyalinis , venis fuscis. — Long, corp, mill. 

 4 4i2-5 4i% ; cxp. al. mill. 9-40. 



o* antennarum articulo primo subtus albido maculato, 42.° sub- 

 dììalato; 45.° rclror^'um hiemarginato. 



Variat : abdominis segmento primo toto nigro aut rufo. 



Nysson dimidiatus, Jur. Hym. pi. X, G. 22. J— Vand. Liod.33,6— 

 Dahlb 171,105— Lepel. 49,5— A. Cost. Fn. Niss. 25, 5, tav. XIII. 

 fig. 1: o*. 



Trovasi in varie parti d' Italia. 



