Ordo I. Uh_Anulio(ii. Trih. i. ricadiiia. Fam. 5. Ciradellina. 



A. Antennae in utroque sexu setiformes, aequales; superficies glabra, 

 nitida. 



Subgenus Bythoscopus. 



Spec. una mihi nota atque in tabula nostra dcpicta: 



B. varius mihi. cT (Fig. 1.) Flata varia Fabr., Jassus varius 

 Germ. Magaz. IV. 9. 2 (Fig. 2.) Jassus biguttatus Germ. ihiJ.., non 

 FaAr. Jass., crenatus Germ. Fn. 17.10., J. scurra iiirf. 1 1 . (cf ) — 



An huc? Jass. crenatus Germ. Fn. 



B. Antennae niarum apice laminigerae fVig 5. 6.), feminarum seti- 

 formes; superficies corporis opaca, submicans. 



Subgenus Idiocerus Lewis *). 

 Spcc. I. B. fulgidus. cT. Jass. fulgidus et 2 guttatiis Falr. Cic. 



Populi et Corjli lAn. Ja&s. stigma Gvrm. 9- Cic. nitidula FaLr. 



Jass. cereus Germ.1 — 2. B. lituratus Fali Jlerr Srhiiff'. et icon. 



Jass. varii Germ. in Fn. Eur. 16. 18. — 3. B. scurra Jass. 



Scurra GernK oiim, Jass. tremulae Zelt. Idioc. stigmaticalis Le- 



tv's — et sp. compl. minus cognitae. 

 Spec. exotlcae Brasilienses Mus. Reg. ad subgen. Oncopsem per- 

 tinent, una vero maxima subgeneri Idiocero adnumeranda videtur, 

 sed mas mihi non innotuit. 



II. Elytrorum sutura recta tota; antennae in utroque sexu 

 setiformes, tibiae multispinosae, Cf. icon. generis Acoce- 

 p h a I u s. 



A. Frons tumida, marginibus verticis arcuatis concentricis. (Fig. 1 

 et 2.) 



Subgenus Oncopsis mihi. 

 (Sectio B. gen. Macropsis Jjewis). 

 Spec. 1. B. lanio c. var. B. brunneus — Jassus brunn. Falr. — 

 2. B. triangularis Germ. Fall. — 3. B. flavicollls Gm. Jass. fla- 

 vicoll. Fahr. c. varr. Jass. 2 - pustulatus. Falr. Jass. Rosae Fabr. 

 nec non complures minores. 



B. Frons plnna; vertice acutiusculo, angulum obtusum formante, 

 cujus crura extus crassiora. (Fig. 15.) 



*) Thc Transact. of ihe entom. soc. of London. par(. 1. pag 47. 

 seq. pl. 7. 



