C. vidua Smith ^HNS. ( C. dux ^HNS Sm., colossus Gerst ^HNS.)

Femina: Long, 22 — 24 mm.; latit. capitis 4 mm, thoracis 5.4 mm., abdominis 8 — 8.5 mm. Nitida, nigra, abdomine aut fusco-nigro aut testaceoferrugineo, mandibulis, antennis, genis, tarsis, nonnunquam clypeo ferrugineis aut castaneis; parcissime flavido pubescens, sine pilis abstantibus, ciypeo, tibiis tarsisque pilis copiosis flavescentibus brevibus oblique abstantibus; mandibulae fortiter rugoso-striatae interstitiis punctatis; caput punctis rudis profunde impressis; clypeus antice impressionibus duabus transversis, carina brevi mediana separatis, margine antico in medio paulo producto; pronotum haud dense, vero rude punctatum, lateraliter antice subtiliter striolatum interstitiis subtilissimis reticulato-punctatis; mesonotum disperse punctatum interstitiis laevibus nitidis; scutellum punctatum disco laevi nitido; metanotum parte basali brevissima punctata, parte declivi subverticali, subcircular, subtiliter rugulosa et opaca; thoracis latera rugoso-striata, partim punctata; petioli nodi subtilissime rugulosi et, discis exceptis, rude punctati; abdomen crassum, nitidum, subtilissime coriaceo-rugulosum et, linea mediana longitudinali excepta, punctis dispersis piligeris; alae infuscatae costis fuscis.

Mas: Long. 19 mm. Niger, subopacus, mandibulis (dentibus fuscis exceptis), antennis, macula petioli nodi secundi, abdomine pedibusque rufo-testaceis; pubescentia densa et flavida; mandibulae punctatae, subopacae, striolis nonnullis, apice nitida; caput dense rugoso-punctatum, funiculus articulis secundo et ultimo aequilongis, articulis 3 — 11. paulo brevioribus et inter se aequilongis; thorax dense punctis impressis rotundis, lateraliter plus minusve ruguloso-punctatum, metanoti parte declivi subtiliter transverse rugosa; petiolus dense et subtiliter rugulosopunctatus; abdomen dense rugoso-punctatum; genitalium valvulae externae magnae curvatae, in apice subacutae; alae infuscatae.

Vom N' Gami-See ein Weibchen in meiner Sammlung von Dr. Sichel, aus dem Caffernlande Weibchen und Maennchen im Stockholmer Museum.