REPORT OF THE STATE ENTOMOLOGIST I9Q17 85 
Key to Species 
a Abdomen yellowish 
b Basal portion of the stem of the fifth antennal segment with a length 
about one-half its diameter 
c Mesonotum yellowish and slaty brown; the distal portion of the 
stem of the fifth antennal segment with a length two and one- 
half times its diameter, slightly expanded apically; the basal 
clasp segment stout, tapering slightly..... PiLiktows Iain (Cy Ao 
cc Mesonotum sooty yellow; the distal portion of the stem of the 
fifth antennal segment with a length one-half greater than its 
diameter, slightly expanded apically; basal clasp segment stout, 
broadly rounded apically.............apicalis Felt, C. 52 
ccc Mesonotum dark brown; the distal portion of the stem of the 
fifth antennal segment with a length twice its diameter, greatly 
expanded distally; the basal clasp segment short, broad, 
tapering strongly......... ae foetedi Felt, C. 24 
bb The basal portion of the Sen eo ne fifth sytem segment with a 
length one-half greater than its diameter 
c Mesonotum reddish brown; the distal portion of the stem of the 
fifth antennal segment with a length three times its diameter; 
the basal clasp segment short, stout and tapering strongly... .. 
symplocarpi Felt, C. 23 
aa Abdomen yellowish red 
b Mesonotum dark brown; the basal portion of the stem of the fifth 
antennal segment with a length only one-half its diameter; the basal 
clasp segment short, stout and roundly tapering distally........... 
consobrina Felt, C. 61 
aaa Abdomen light brown; the basal portion of the stem of the fifth antennal 
segment with a length one-half its diameter 
b Mesonotum dark brown; basal clasp segment very short, stout and 
roundly tapering apically....................tiliae Felt, C. 25 
bb Mesonotum light brown; the basal clasp segment very short and stout 
Caries, Pelt; Coa 
aaaa Abdomen reddish brown 
b Mesonotum yellowish brown; the basal portion of the stem of the 
fifth antennal segment with a length one-half its diameter; the 
basal clasp segment short, stout and narrowly rounded apically. . 
abdominalis Felt, C. 16 
Lobopteromyia filicis Felt 
1907 Felt, E. P. N. Y. State Mus. Bul. 110, p. 131; separate, p. 20 
(Contarinia) 
1908 ————._N. Y. State Mus. Bul. 124, p. 390 
The yellowish midges were taken on ferns May 16, 1906 at 
Karner. Ni. Y. 
Male. Length 1.5 mm. Antennae longer than the body, thickly 
fine haired, light brown; 14 segments, the fifth with stems one- 
half and two and one-half times their diameters respectively ; terminal 
segment with the basal enlargement somewhat flattened, the distal 
