REPORT OF THE STATE ENTOMOLOGIST 1907 335 
times its greatest diameter. The other segments are sessile, 
cylindric and in most species have a length % or 34 that of the 
diameter; the number of segments may range from 16 to 22. 
The femora are strongly swollen and the tibiae, particularly the 
posterior pair, armed with long, setose spines which, in some 
7 ; SF LEZ 
Fig. 32. Trotteria subfuscata n. sp., basal antennal segments, much’enlarged. 
(Original) 
forms, extend to the base of the second tarsal segment. The 
male genitalia present a very characteristic type, differing in certain 
respects markedly from those of other Cecidomytidae. 
Key to species 
a Females 
O 1 amennal seameniss alncloimen Gaul nies, ,coccacccocogco0cgeand 
: ; KA PiNSTEM SIS We Soy we KH 
Homzoranvenitalmseemenin aD domenndatke DROwillins aeolian aca: 
subfuscatda n. sp, C. 618 
bbb 22 antennal segments 
c Claws stout; legs thickly clothed with scales. Bred from Solidago 
sOlidagimis m gon CG anreesy 
cc Claws rather slender; legs rather thinly clothed with scales.... 
eaudata m so, G ay 
aa Males 
b 18 antennal segments; abdomen thickly clothed with silvery scales.. 
STUMAMOSA mM Sp, C 522 
bb 20 antennal segments 
c 5th antennal segment with a length more than 34 its diameter... 
(CMOPRISLOMEM HA) CAmy ae Woh CoyKy 
cc 5th antennal segment with a length scarcely 34 its diameter 
d Abdomen silvery white; tibiae dark fuscous orange ........ 
APGSMED wm, Sd. Cr AKO 
dd Abdomen silvery yellow; tibiae and tarsi black...... OO 
CArSACA mh Fd, C, Co7 
dla Nodonnen jee Inronnnis Tee GNA IKON oo oocadagasaococoKd 
MEEAWIUMCA i Sid. Cs Bars 
DASYNEURIARIAE 
Species belonging in this tribe may be recognized by the dentate 
claws, by the 3d vein being well separated from costa [pl. 35], 
