HYMENO PTERA. 
THYNNUS DENTATUS. 
GENERIC CHARACTER. 
Tongue very fhort and involuted : lip membranaceous at the tip and trifid, the middle piece emarginate 
antennae cylindrical, having the firfl: joint thickeft, 
SPECIFIC CHARACTER. 
Abdomen black, with two yellow dots on the fecond, third, and fourth fegment. 
Thynnus Dentatus : abdomine atro : fegmento fecundo, tertio, quartoque pundlis duobus flavis. 
Thynnus Dentatus : abdomine atro ; fegmento fecundo, tertio, quartoque punflis duobus albis. 
Fab. Ent. Syjl. T.2. p.244. ^.148. Sp.l . — UNFIGURED. 
A New Holland fpecies, from the cabinet of Sir Jofeph Banks, Bart, 
THYNNUS EMARGINATUS. 
SPECIFIC CHARACTER. 
Abdomen ferruginous, with an interrupted yellow band on the fegments: fcutel emarginated., 
Thynnus Emarginatus : abdomine ferrugineo : fegmentis fafcia interrupta fiava, fcutello emarginato, 
Thynnus Emarginatus : abdomine nigro : fegmentis fafcia interrupta fiava, fcutello emarginato. 
Fab. Ent. Syjl. T.2. jO, 244. Sp. 148. — UNFIGURED. 
Cabinet of Sir Jofeph Banks, Bart, This alfo is from New Holland, 
