yl 
49. 
51. 
52, 
) 
i 
REPORT OF THE HARVARD AFRICAN EXPEDITION 
Abdomen with a lateral pale stripe or row of pale spots on each side between the median 
stripe and, theside Maron (ac 3.2 cceu,0 Heke oes wacklacere oe eee ee 49, 
Abdomen dorsally with a more or less continuous, gray band on each side between the 
median stripe and the side margin; the three stripes almost equally distinct, but the 
median one the longest. Dorsum of thorax with distinct, longitudinal, gray stripes. 
Frons three to four times as long as wide, with a transverse basal callus and a much 
smaller, median, bare spot, the two not or very narrowly connected. Eyes in life 
dark purple with two bright green or blue cross-bands. Antennae entirely reddish. 
Thetaeetilis. ll Ortioe tlk iin, sa. 20s ahs a <.soe-a- cia mawale 6 ke ty See rele eae cer eee T. gratus. 
Abdomen dorsally with a row of more or less disconnected spots on each side between the 
median stripe and the side margin; these spots less distinct than the median stripe. 
Dorsum of thorax not or very faintly striped. Frons about five times as long as wide; 
the large basal callus distinctly connected with the elongate median callus. Eyes in 
life without bands. Antennae reddish brown basally, darkened at apex. Length, 
Mie HOt MANN at a de ait So. « Sc ean’ Reheat 2S eR as eee aa aoe eee T. taeniola. 
. Frons distinctly wider above than below, with a basal, more or less transverse callosity 
and a much smaller or faint, median, bare spot; the two generally not connected. 
Eyes in life with two or three cross-bands. Abdomen black, dorsally with three 
longitudinal! rows of grayish white spots beginning on the second tergite, those of the 
side vows small and oblique. JLeneth, Sito UOmmi. cc... shane seen cy eee T. sufis. 
Basal and median callosities of the frons as a rule distinctly connected; or else the 
abdomen not with three rows of spots as indicated above. Eyes in life without cross- 
Rin GLE ses ei SG sowie laaa al OR Kad wayaAe as GR ee pro censy ates Re eee 5, 
Second abdominal tergite without median, pale spot; third to sixth tergites with a 
median, gray triangle; lateral, well-marked pale spots on the second to sixth tergites. 
Wing subhyaline, slightly smoky along some of the brown veins. Legs pale ferrugi- 
nous; the apices of the fore tibiae darker and the fore tarsi almost black. Frons about 
four and one-half times as long as wide, with a distinct basal callus and a very narrow, 
median, raised line not connected with the basal callus. Length, 21mm... 7. brodeni. 
Second abdominal tergite with a median, pale spot; if this is indistinct, the median 
spots of the other tergites are likewise faint or small....................--0+.:: 52. 
Abdomen mostly reddish brown; dorsally with small and rather indistinct or faint, 
median spots; without or with poorly defined lateral spots.................2.... 53. 
Rows of median and lateral spots well marked on the abdominal tergites............. 58. 
. Slender species, with conical abdomen, pointed posteriorly. Abdomen brownish red, 
with blackish apical segments; the median pale triangles faint and easily rubbed off; 
the lateral spots even less distinct. Legs blackish brown; the tibiae reddish yellow, 
those of the fore legs darker at apex. Wing hyaline, with brownish veins and stigma. 
I Bfevaiea i] ae ge asap 0011 re ee coe ee ry cr ee gre he, Ce gar T’. coniformis. 
Species with broader abdomen, not pointed posteriorly; the apical segments not conspicu- 
UC) 06 Cbd ce eB ares rea tony ee hae Pe Yl 54. 
. Smaller, 12 to 15 mm. long. Dorsum of thorax with faint longitudinal stripes......... 55. 
TAM jscll iA MUN AVON ds wad, les se guia tell Pah h.e one eee Wey ae a 56. 
. Abdomen pale reddish brown, dorsally with three rows of faintly indicated spots (in un- 
rubbed specimens the spots are present on all the tergites). Wing hyaline, with a 
slight yellowish tinge due to the yellow veins and stigma. Legs and antennae al- 
most entirely reddish yellow; the fore femora, fore tarsi and apices of fore tibiae 
darker browmeh., diengthy 12\to Loman. 0.2. Jlnste cc a ene Wc een wk T. gedoelsti. 
Abdomen dark reddish brown, with small, median, pale triangles and lateral bands on the 
second to fourth tergites; legs reddish brown, the tibiae paler, the tarsi brown to 
black; fore tibiae very pale at base, with white pile. Wing with brownish costal mar- 
graraid sigma. Meme ult, 8! tana, 125s cateinn oe eg cele we eA ae T. severint. 
56. Abdomen dark reddish brown, dorsally with a rather indistinct, narrow, grayish, longi- 
tudinal stripe somewhat widened and covered with white pile on the hind margins of 
the tergites, thus forming small spots. Dorsum of thorax covered with gray tomen- 
tum and black and brown pile, without longitudinal stripes. Wing very slightly 
smoky, more so along the costal margin. Legs pale reddish brown. Antennae red- 
dish with darker apex. length, 16 to 20 mm. ..2...0. 610eimsnevdasc... T. socialis 
