172 Insecta. Pterodicera. 



tennis, tibiis tarsisque pallidis ; tibiarum medio dilute fusco f 

 elytris alisque albis, immaculalis. 



Thrips physapus. Linn. System. nat. , ed. i3 , tom. 1 , pars 

 2, p. 745. — Faun. Suec. , ed. 2, n". 1027. 



Le Thrips noir des fleurs. Geoft. Hist. des Insect. , tom. 1, 

 p. 3 2 5. 



Thrips noir des fleurs. Be Geer. Mem. s. I. Insect. , tom. 3 , 

 p. 6, pl. 1, fig. 1. 



Thrips physapus. Fab. System. Rhyng. , p. 3i5. 



Schmff. Elem. ent. , tab. 128. 



Habilat in Europa, floribns, quercuum sub cortice. 



Observatio. Genus singulare, forte proprii ordinis. 



27". Rostrum subperpendiculare vel nutans , articulis 

 tribus distinctis ; tarsi articulo ultimo biunguiculato ; 

 antennce articulis sex aut septem ; corpus ovatum aut 

 elongato-ovatum ; capite transverso ; thoracis segmento 

 antico parvo , transverso , collari , secundum antice 

 marginante ; lioc multo majore, elevato ; elytris alis- 

 que deflexis. 



(Frons transversa; clypeus ad basin rotundatus , linea 

 semicirculari , sub frontis capitisve margine antico 

 impressa , distinctus ; oculi prominuli , scepius semi- 

 globosi ; corpus molle , in multis farinosum vel pul- 

 verulentum aut tomentosum ; pedes scepe elongati. ) 



CCCCI. Gentjs. Amis. Puceron. 



Aphis , Linn. , Geoff. , de Gf.er, Fab. , Oliv. , 

 Lamarck. 



Antennce saepe setaceae , elongatae (nonnullis filiformes) 

 articulis septem; tertio longissimo ( septimo siveultimo 

 minimo, vix. ssepe distinguendo). Oculi duo, semiglo- 

 i>osi , integri. Elytra et Alce ad angulum acutum 



