14 Transactions’ of the Academy of Science of St. Louis 
with an apical and subapical tooth and a proximal spine j unguis 
with three teeth on the inner surface, unguiculus about two-thirds 
the unguis ; antennae four segmented, antennae about: twice the 
length Of the head, segments to each other as 1, 2, -1:8; 2.2; 
numerous strongly knobbed tenent hair present. 
Large numbers were found in empty elongated galls of twigs 
of black locust. Records: March 12, 1938, Vinita Terrace, St 
Louis, ,. County, Missouri. (E, D. Bueker). 
ee duolineata N. ‘Sp. 
Figures 59-61; length 2.5-3 mm. On with. slack ae 
ings; antennae fons segmented, seat to each other as 1.0, 
1.6, 1.6, 2.2, first two-.antennal segments with tenent hair 5pro” 
thorax covered dorsally by forward projecting mesothorax}' 
dorsal surface of body segments with numerous tenent hair ; 
entire body surface covered with niimerous small-setae; “head 
with dark chitinized area laterally below €yespots, darkened area 
on lateral side of mesothorax near ventral side which extends 
to and including the second abdominal segment; dorsal side of 
metathorax with a dark area near the median line; a dark band 
covers most of entire surface of the third abdominal segment; 
fourth abdominal segment twice as long as’ the fitst three seg- 
ments: combined and with a dark -band extending. across the: 
middle and another band at the posterior end; fifth segment 
entirely darkened; unguis well developed and strongly curved,i 
unguiculus about as long as the unguis; mucro bidentate or 
with a well- —— spine ; dentes crentilate acne 
This for was fou to be very abundant in: leaf ‘dou 
during January. with the temperature at about 45° F. .Records: 
January 20, 21, 22, 1938, near the Washington School, side —_ 
Terrace, St.. Louis County, Missouri, E. D. Buekér.= 2" " 
