92 MAINE AGRICULTURAL EXPERIMENT STATION. I912. 



abdomen brownish black, anteriorly more brownish, anterior 

 part of venter pale brown; hypopygium (Fig. 71). Coxse and 

 legs yellow, the trochanters, a large spot on flexor surface near 

 the base of all femora, tips of middle and hind femora and of 

 middle and hind tibise, blackish, tarsi br6wn; fore metatarsus 

 about I- 16 shorter than the tibia, middle tibiae each with ^_ 

 setae on flexor surface ; hind tibiae each with 3 ranges of setae. 

 Wing yellowish hyaline with central spot and several spots 

 forming a broken preapical fascia TFig. 196). Halteres yel- 

 low. Ithaca, N. Y. ! 



Female. Segments of abdomen narrowly margined with yel- 

 low, with an indication of a median longitudinal stripe on seg-_ 

 ment 2. Riverton, N. J., Delaware W. Gap, N. J. ( C.W.J. ). 1)1 



8. Mycetophila sp. 



Female. Length 3.5-4 mm. Similar to the foregoing but 

 the preapical wing fascia is unbroken and does not reach Ml 

 In an Ithaca, N. Y. specimen, the thorax is wholly shining 

 black, the hind margins of the intermediate abdominal segments 

 narrowly yellow and the fore tarsi slightly swollen. 



A specimen from Alt. Constitution, Washington, with wing 

 marking as above is similar to M. fastosa but the disk of the 

 thorax is brown. Another specimen from the, same locality is 

 similar to this but the narrow hind margins of the intermediate 

 abdominal segments, the anterior part of the venter and narrow 

 median dorsal stripes on segments 2 and 3 are yellow. 



9. Mycetophila punctata INIeigen. 1/ 



Syst. Beschr I, 264. 1818. 

 Male and female. Length 4 to 6 mm. Ochraceousj the 

 apical half of the antennae, the center of the mesonotum, the 

 "saddles" of each abdominal tergite, and the tarsi usually 

 dusky yellow or in occasional, usually southern specimens, 

 brownish ; sometimes wholly yellow. Apical joint of palpus 

 oval (Fig. 55, Plate I, Part I). Fore metatarsus and tibia 

 subequal ; no setae on flexor surface of middle tibiae, hind tibiae 

 each with 2 ranges on extensor surface ; both middle and hind 

 tibiae each ciliate with a range of finer setae on inner lateral 

 surface, which are uniform in size on hind tibiae and extend 

 to above the middle; hind coxa; with a tuft of fine slightly 



