CHRYSOPS. 43 



pictura abdominis ssepe rufa, alaruinque albo-maculata. Ocelli 3. 



Antennae 7 -articulates, porrectae, cyliudricae, subretusas ; articuli primus 



et secundus hirti, aequales ; tertius et sequentes flagellum subulatum 



fingentes. Ala? divaricatse ; areola analis marginem attingens, sub- 



aperta. Abdomen depression. 



Body of middle size, pubescent, rather broad. Head semicircular. Eyes 

 resplendent gold-green, with purple-brown spots and lines. Ocelli 3. 

 Mouth projecting, as long as the head. Labrum stiff, pointed, as long 

 as the labium. Lingua slender, stiff, pointed. Maxillee slender, acute. 

 Palpi hairy, Inarticulate ; first joint short, cylindrical ; second long, 

 conical. Labium slender, cylindrical. Antenna? 7 -jointed, inserted in 

 the middle of the front, porrect, cylindrical, a little curved upward, 

 tapering towards the tips, rather longer than the head ; first and second 

 joints cylindrical, hairy, of equal length ; third and following forming 

 a subulate flagellum ; third of moderate length ; fourth and following 

 joints short. Thorax rather flat, hairy on each side. Wings almost 

 lanceolate, divaricate, finely pubescent, more or less coloured; anal 

 areolet extending to the border, almost open. Abdomen flat. 



Male. Palpi horizontal. 



Fern. Head with 2 black scapulae, one above the antennae, the other 

 on the crown. Mandibles thin, lanceolate, as long as the labrum. 

 Palpi perpendicular. Thorax striped. 



These flies are common, but do not swarm like the Hematopota ; 

 their night is silent. 



1. caecutiens, L. s. n. ii. 1001.17 (1763); Dg. ; Fb. ; Gin.; 

 Fin.; Mg. ! ii. 67. 2. pi. 14. f. 6; Mq. ; Zli.lugubris, L. ; Fb. ; 

 Mg. mduatiis, Fb. Thoracis lateribus fulvo-hirtis. Mas. Niger, alis 

 nigro-fuscis cinereo-bimaculatis, abdomine basi ftilvo-bimaculato. Fcem. 

 Nigro-fuscus, thorace cinereo-bivittato, alis fuscis limpido-bimaculatis, 

 abdomine basi fulvo maculisque trigonis fulvis vittato. Long. 3^4^- ; 

 alar. 7-9 lin. 



Eyes golden-green ; 5 spots and the hind border purple. Halteres 

 dark brown. Male. Black. Thorax clothed with bright tawny hairs on each 

 side at the base of the wings. Wings dark brown; hind border at the 

 base, and a large angle on the hind border near the tip, pale grey ; a 

 small whitish spot in the disc. Abdomen tawny on each side towards 

 tJiebase. Fern. Dark brown. Thorax with 2 cinereous stripes, clothed with 

 bright tawny hairs, which are thickest on each side. Wings brown, 

 with 2 large colourless spots, one extending almost across the wing 

 from the hind border near the base, the other forming an angle on the 

 hind border near the tip. Abdomen with a very broad and often inter- 

 rupted tawny band at the base) and with a row of tawny triangular spots 

 along the back, the first largest and most distinct. 



Generally distributed. (E. S.) 



