THE MYCETOPHILID.E. 119 



M. lineohx, Mg. 



M. ruficollis, Macq. 

 M. lurida, Mg. 

 M. monostigma. 

 M. centralis. 



This is more common and smaller than the above species. The 

 general appearance is dark brown, but the head is tawny. The palpi 

 yellowish-red, and the antennse tawny at the base. There is a tawny 

 stripe on each side of the thorax, as in bimaculata. The wings are 

 gray, and there is a brown spot on the tip of the prae-brachial areolet 

 and of the fork of the fourth longitudinal vein. The veinlets of the 

 prae-brachial areolets form nearly a right angle. The abdomen is 

 brown, with tawny bands on the hind borders of the segments, and 

 having a white tomentum underneath. The c^ genitalia yellowish- 

 brown ; ovipositor ( $ ) yellowish. Legs testaceous ; tarsi darker 

 than tibiae; the latter armed with many stout spines. Length, i^ to 

 2\ lin. 



M. httesccns, Zett. =71/! Senata, Steph. 



Somewhat like cpigii/i/i?i, but as large, or larger, than punctata. 

 Occurs from Glanvilles-Wootton to N. Scotland. 



Genus. — Rymosia, Wtz. 



Three ocelli, one near each eye and the third in front ; very small. 

 The costal does not extend beyond tip of the cubital. The base of 

 fourth hind areolet a little nearer base of wing than is base of the 

 second hind areolet, zvith the petiole of the latter very short. Legs 

 long and slender. Metamorphosis unknown. 



■R.fenestralis, Mg. = j^'^" ^'<^^'' ^^^^^^ 



L')/. domestica, Mg. 



Winnertz says the larvae live in Agaricns vielleiis. The perfect 

 insect is black to reddish-brown. Vertex with white tomentum. 

 Head dull yellow to brown ; proboscis and palpi yellow ; antennae 

 brown ; base yellow. Antennae twice the length of thorax in 

 the $ ; about the same length as thorax in the ? . Pectus and 

 sides of the thorax yellowish-red. Wings having the prae-brachial 

 areolet closed by two veinlets, which form an acute angle, the 

 hind one longer than the fourth longitudinal vein before its fork. 

 Anal vein very short. Abdomen club-shaped ; blackish-brown ; 

 testaceous beneath ; with testaceous bands for half the length from 

 the base ; the base testaceous in the ? ; brown in the cT- The ovi- 

 positor is composed of three angular valves ; the lamellae thin and 

 oval. The colour varies in the male. The legs testaceous ; spurs 



