SYRPHUS. 295 



Maxillse nearly as long as the palpi. Palpi half the length of the 

 labium, subclavate. Antennae black. Male, jffineous. Wings grey ; 

 stigma pale brown. Halteres piceous. Abdomen black, seueous at the 

 tip, adorned on each side with three ceneous-tawny subtriangular spots 

 whose hind sides are oblique. Legs piceous ; knees and anterior tarsi 

 pale lawny ; fore femora tufted with black hairs at the base. Fern. 

 Bluish-black. Wings almost colourless. Halteres tawny. Abdomen with 

 three pair of glaucous spots on each side, and a glaucous band at the tip. 

 Legs taivny ; anterior tibia with piceous bands ; hind legs black with tawny 

 knees. 



Generally distributed. (E. S. I.) 



29. granditarsus, Fstr. cent, i. 99 (1771). ocymi, Fb. ; Pz. 1 

 fn. Ixxxii. 18 ; Fin.; Mg. ; Mq. ; Lw. ; Ztt. brassicarius, Pz. ! fn. 

 xx. 20. lobatus, Mg. ^Eneus, antennis nigris, capite scutelloque 

 nigro-cyaneis, abdoraine rufo-ferrugineo basi apiceque aeneo ; Mas. 

 alis fuscis, pedibus nigris ; Foem. alis cinereis, abdominis apice ferru- 

 gineo-bimaculato, pedibus fulvis. Long. 3^-4^ ; alar. 7-9 lin. 



.ZEneous. Head bluish-black. Antennae black. Scutellum more or 

 less tinged with blue. Halteres tawny. Abdomen ferruginous-red, 

 aeneous at the base and towards the tip. Male. Wings brown. Legs 

 black ; tibiae towards the base and anterior femora towards the tips 

 tawny. Fein. Wings grey, their discs slightly clouded with brown. 

 Abdomen with two large ferruginous spots on each side towards the 

 tip. Legs tawny ; anterior tarsi brown, tawny at the base; hind tibise 

 encircled with black ; hind tarsi brown. 



Generally distributed. (E. S. I.) 



30. rosarum, Fb. e. s. iv. 307. 109 (1792); Gin.; Pz. ! fn. 

 cviii. 14 ; Fin. ; Mg. ; Mq. ; Lw. ; Ztt. noctilucus, Pz. ! fn. Ixxii. 24. 

 mellinus, Mg. jEneus, antennis nigris, capite scutelloque cyaneis, 

 alis fusco-cinereis, abdomine luteo interrupte fasciato, pedibus piceis 

 fulvo-cinctis ; Mas. abdomine atro apice seneo ; Foem. abdomine basi 

 apiceque cyaneo. Long. 4-4^ ; alar. 7-8 lin. 



jEneous. Head dark blue. Maxillae half the length of the palpi. 

 Palpi half the length of the labium. Antennae black. Scutellum dark blue. 

 Wings grey, brown from the middle of the costa to the disc. Halteres 

 luteous. Abdomen with a luteous interrupted band at the base of the 

 second segment. Legs piceous ; knees and parts adjoining and tarsi 

 tawny. Male. Abdomen deep black, aeneous at the tip. Fern. Abdo- 

 men blue at the base and with two blue bands towards the tip. 



Generally distributed. (E. S. I.) 



31. mellinus, L. s. n. ii. 988. 55 (1767) ; Dg. ; Spl. ; Fb. ; Shr. ; 

 LI. ; Fin. ; Ztt. mellarius ? Mg. melliturgus ? Mg. ^Enem, antennis 

 nigris subtus ferrugineis, alis subcinereis, abdomine nigro maculis bis 

 quatuor subquad.ratisfavis, pedibus fulvis aut piceis. Long. 4^; alar. 8 lin. 



Antennas black ; third joint ferruginous beneath. Wings 



