164 



ENTOMOLOGICAL NEWS, 



[April, '15 



Franklinothrips tenuicornis sp. nov. (Fig. a). 

 Female. — Length about 1.8 mm. General color blackish brown, with 



purple reflections, the head darkest; pterothorax with bright orange 



pigment; first abdominal segment orange, with a line of brown along 



sides and base; second and third segments 

 clear white in apical two-thirds, brown at 

 base; last segment lemon yellow; antennal 

 segments 1-4 clear pale yellow, 5-9 dark 

 blackish brown; fore femora orange, shad- 

 ed with brown on outer surface; middle 

 and hind femora white at extreme base, 

 yellow at apex, the intermediate portion 

 brown, with orange pigment; tibiae brown, 

 tarsi yellow; wings of fore pair dark 

 brown, with three transverse white bars ; 

 the first sub-basal, narrow, irregular, not 

 traversing the scale; the second broad, 

 crossing middle of wing; the third sub- 

 apical, not quite attaining margins. 



Head about two-thirds as long as wide, 

 smooth and shining above, sloping evenly to 

 base of antennae, the dorsal outline of 

 cheeks, eyes and front of head almost 

 exactly semicircular; frontal costa broadly 

 rectangularly emarginate; a pair of rather 

 prominent bristles between anterior and 

 posterior ocelli, two pairs of smaller posto- 

 cellar bristles, and a few still smaller bris- 

 tles on cheeks and eyes ; ventral surface of 

 head flattened, densely hairy, produced an- 

 teriorly as far as the base of the first 

 antennal segment, the apex of this pro- 

 duction with a pair of dark bristles nearly 

 equal in length to the two basal segments 

 of antennae. Eyes longer than their dis- 

 tance from posterior margin of head, pos- 

 teriorly prolonged on ventral surface, and 

 with large, circular, separated facets. 

 Ocelli of posterior pair twice the diameter 



Fig. a, right antenna of F. tenui- of anterior ocellus and more widely sep- 



cornts Hood. ^ j a i i 



Fig. b. right antenna of F. vespi- crated. Antennae very slender, about 

 >r«,.. Crawford. 3.7 tj^^^ ^^ j^^^^ ^^ j^^^^ . ^^^^^^^ 3 



about 13 times as long as greatest subapical width and 3.7 times as 

 long as 5 ; Combined lengths of 5-9 about equal to that of 3 ; segments 

 1-4 pale yellow, 4 grayish at apex; 5-9 nearly black. Maxillary palpi 

 3-segmented; labial palpi 4- segmented. 



