178 O d a c a n t h 8» 



Habitat in aquofis, ad littora lacuum, rarius. 



Defcr. Longitudo Brachini crepitantis, fed mul- 

 to angufticr, linearis, Caput magnum porrectum, 

 in medio thorace multo latius , antice pofticeque at- 

 tenuatum, cceruleo* virefcens nitidum Iseve, fovea 

 oblonga inter antennas utrinque; os rufo-piceum; 

 paipi rufo-picei apice nigri. Antennse thorace lon- 

 giores, fiiiformes , nigrse, articuiis tribus primis ru- 

 fo-teftuceis. Thorax elongatus fub-cyiindricus, 

 capire elytrisque multo anguftior, bafi ap:c:que 

 truncatus, iateribus fub- marginatus , 10 medio non- 

 nihii dihtatus, fupra convexus, transverfim ftrigo- 

 fus , rude & parce punclatus, linea longitudinali 

 cmalicuhtus, totus cyaneo- virefcens. Scutellum 

 niirmtum oblongo-triangulare teftaceum» Elytra e- 

 longata, thorace duplo latiora, pofterius dilatata, 

 apice truncata, abdomine pauilo breviora, fupra fub- 

 eJeprefTa, rufo- teftacea nitida, obfolete punctato- 

 ftrisra, punclis ntinutis recnotis ; in apice macula 

 magna transverfa communis nigro - violacea, mar- 

 gines non attingens. Thorax fubtus cyaneo-vire- 

 fcens, c:ebre & profunde punctatus ; pechis rufo- 

 terhcum laeve; abdomen cyaneum nitidum laeve ob- 

 tuium. Pedes elongati tenues rufo- teftacei, genu- 

 bus tarfisque nigro-fufcis. 



L E B I A. 



Palpi ut in Hxrpalo. Maxilla cornea arcuata 

 tenuis acutijfuna infegerrima, inttts ciliata. 

 Ligula elongata tvifida , . lacinia media latiore 

 fub-coriaeea truncata, lateralibus membranaceis 

 anguftit conniventibuj obtufif. Corpus alatnm 

 deprsjjum ; thorax cordatus ; Etytra truncata$ 

 articittus quartus tarftmn plerumque bilobus* 



