TERY 
THE MYCETOPHILIDA. 129 
anterior border somewhat projecting. Legs tolerably long, anterior 
Ones shortened; femora strong and thick; posterior femora very 
thick ; tibiae strong, club-shaped, spurred ; anterior ones devoid of 
spines ; posterior with two rows of strong lateral spines ; posterior 
tarsi with fine spines. Abdomen 6 to 7 jointed; ¢ genitalia small. 
Wings minutely hairy. 
Z. notata, Stan. 
This is a blackish-brown insect ; head dark brown ; palpi yellow ; 
antennz brown, with yellow base ; glistening yellowish-gray hairs on 
the abdomen. Anal segment small, yellowish. Ovipositor and 
lamella brown. Legs testaceous, the apex of the hind femora brown. 
Wings with a yellowish-gray tinge; root and costa yellow, with a 
discal brown spot. Length, ? to r} lin. 
This gnat is found in woods and copses, the larve living in 
rotten wood. ‘There are the following also found in Britain : 
Valida, Wtz. (Verh. d. Zool. Bot., Ges. xili., go2-1. 1863.) 
Pictipennts, Staeg. (Staeger, Kroj., Tidskr. iii., 266-41. 1840). 
Vara, Staeg., tbid., 42 ; and paludosa, Staeg. 
GENUS.— Azana, Wlk. 
Small dark insects. Head small .and oval; lower than thorax. 
Palpi small and short. Antennz stout and 16-jointed, not longer 
than thorax. The thorax is convex. The abdomen is compressed 
and of moderate length, the anal segment blunt and the hypopygium 
small. Wings fairly broad. ‘The costa passes beyond the apex of 
the third longitudinal vein ; fourth and fifth longitudinal veins simple ; 
sixth rudimentary. Transverse veinlet small, long, and nearly hori- 
zontal. Metamorphosis unknown. 
A. anomata, Staeg. = A. scatopsoides, W\k. 
This is the only species in this genus, and was first described by 
Walker. The gnat is black, with grayish wings; yellowish hairs. 
The head, palpi, and antennz mostly black ; the base of the latter 
occasionally testaceous. Legs piceous, stout, and long ; hind tibize 
with minute spines and fairly long spurs. Tarsi brown. Halteres 
tawny, with black knobs. Length, about r§ lin. This genus is 
closely allied to Mycetophila. Appears in May and June. 
GENUS.—Acnemtia, Wtz. 
Head round ; flat in front; proboscis short ; antennz 16-jointed, 
arched. Eyes oval. Ocelli three, the middle one small ; some- 
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