300 DIELIS. — SP. 210. 



abdominis segmenta l™-3"' nigro-sericea, albido-fira- 

 briata, 4"^- 5^1^ nudiuscula, antice lœvia,posticepunctata, 

 nigro-fimbriata, tertii quartique segmenti fimbria inter- 

 dum rufescenti; pedum pili setseque nigra, partim ru- 

 fescentia; tegulœ basi nigrse, apice ferruginese ; aise 

 ferrugineaî, venis ferrugineis, apice infuscato-cœrules- 

 centi. — Long. 23-28 millim., al. 15-28 mm. — 4 9- 



Videtur itaque verisimile, pilos in segmentorum api- 

 calium fimbria pedibusque temporis progressu e nigro 

 in rufum albidumque colorem vergere. 



Q^. Niger, cinereo-hirtus, tenuius minusque dense 

 punctatus; mandibuke fusco-rufse, basiflavse; clypeus 

 flavo-marginatus ; thorax immaculatus, dense cinereo- 

 pilosus, pleuris subsericeis, subargentatis ; abdomen 

 valde cœrulescens, segmentorum l^-5i fascia apicali 

 flava, in 1^-3° lata, antice sinuato-emarginata, in late- 

 ribus latins ascendente, in 4o-5o angustiori,ferelineari, 

 vix sinuato-emarginata ; segmenta l"i-5™ albido-fim- 

 briata, (5^-7^^ nigra, nigro-pilosa et nigro-fimbriata; 

 venter niger, nudiusculus, Isevis, parum punctatus, seg- 

 mentorum 2\ 3', interdum 4^ quoque, utrinque puncto 

 vel macula vel lineola, flavis, interdum deficientibus ; 

 alae sordide flavo-hyalinœ, leviter cupreo- vel aureo- 

 micantes, apice non obscuriori, venis fusco-ferrugineis 

 velfuscescentibus. — Long. 15-24 millim., al. 11-15 

 mm. — 13 (j^. 



Très alii (j^ variant statura minima, abdomine ni- 

 griori, nudiori, fascia flava segmentorum ventralium 

 2', 3> intégra, 4' late interrupta; ceterura maribus ty- 

 picis omnino conformes. — Long. 8-10 millim., al. 

 5-7 mm. 



