150 NEW YORK STATE MUSEUM 
has a whorl of hairs and a subapical whorl of 4 hyaline, hooked 
appendages. The female is remarkable on account of the absence 
of wings. The larvae live under the leaf sheath of Scirpus 
silvaticus. It was impossible, from a study of the type kindly 
placed at my disposal by Professor Kieffer, to add to the above. 
Type and sole species W. aptera Kieff. 
Joannisia Kieff. 
1904 Kaeter) J. Ii. Soc. Ent. Hr. Bul. p. 175 
1696 ————. Mis. Ent., 4:7 
1697 —— Sym (Gecid) Bus 6 Als. pp. 48 
1904 Meunier, F. Soc. Sci. Brux. Ann., 28:9 
TOO welt He es Nn aYe State, MidsesBullsi24.)psn2 
1900) Entansoc, Cent. cot Repiatap. Ad 
1911 —————— N. Y.:Ent. Soc. Jour., 19:32 

The antennae have II segments in the female and 14 in the 
male Joannisia, the flagellate segments with a subglobular enlarge- 
ment ornamented only with irregular whorls of simple setae and a 
smooth, cylindric stem distally (figure 36). The venation is 

Fig. 36 Joanissia photophila Felt, fifth and tenth antennal seg- 
ments of male, much enlarged. (Original) 
very characteristic, since the third vein is well separated from 
costa, runs nearly parallel thereto and unites with the margin at or 
well beyond the apex; the fourth vein is simple, the fifth forked. 
The terminal clasp segment of the male is slender, curving and 
tapering to an acute apex in all species known to us, except in J. 
MSO ame er eh sah eh 
One American species, J]. pennsylvanica Felt, ,seceived 
through the courtesy of Prof. H. A. Surface, has been reared by 
Mr B. H. Farr of Reading, Pa., from decaying peony roots. Aside 
from this, nothing is known concerning the life history of our 
native forms. Kieffer has reared several European species from 
