908 
15. 
16. 
Li 
18. 
1: 
21. 
22. 
REPORT OF THE HARVARD AFRICAN EXPEDITION 
three times as long as wide, with only a basal callosity. Wing dark brown, with 
clearer, cinereous tip. Length, 17 to 23 mm............-:.-+++++: Ove T. biguttatus. 
Black, brownish red, or yellowish red; the thorax and head not clothed with dense white 
or yellow pile. Frons over three times as long as wide...........----++ee+05: oe My 
At least the fore tibiae with a more or less conspicuous white, yellowish white, or reddish- 
yellow basal area, covered with silvery white pile..............- ee eee cere ree 16. 
Tibiae almost uniformly reddish brown, yellowish brown or brownish black, often infus- 
cated at the tips, without silvery piles. .cc. a eae oes ie bie am ate ee oe he eee 7, 
All the tibiae bright white on their basal two-thirds; femora black. Palpi dark brown or 
blackish. Frons about six times as long as wide, distinctly narrowed toward the 
subeallus. Body black or blackish brown, with black pile. Wing uniformly infus- 
vated, ‘Lenath, 13 to 16mm) 6: wont. ule hae cs Cee seats me ome ec eae T’. bouett. 
Only the fore tibiae with a more or less defined pale ring; the middle and hind tibiae uni- 
formly reddish brown, yellowish brown or brownish black...............-.-++++- 17s 
Legs and antennae mostly pale yellowish red; fore tibiae occasionally whitish at base; 
apices of fore tibiae and entire fore tarsi blackish; femora with white pile. Irons 
about five times as long as wide, scarcely narrowed toward the subcallus; the basal 
callus pale colored, square and abruptly narrowed above. Body reddish brown, 
mostly covered with short, yellow hair. Wing tinged with yellow. Length, 11 to 
AUIS, sea aes Gate ae eda sas hale Bn wh ateoehe tae REaNG Ava hy Since tte a eo ee T.. thoracinus. 
Generally larger, with darker legs; the fore femora as a rule reddish brown to blackish, 
with black pile; in doubtful cases, the frons is distinctly narrowed toward the sub- 
callus and the basal callus is of a different shape. Wing distinctly smoky......... 18. 
Abdomen pale reddish brown, covered with yellowish hair; antennae and palpi reddish 
brown; femora blackish brown or more or less reddish; fore tibiae with a broad, 
conspicuous, white basal half. Frons about five times as long as wide, scarcely nar- 
rowed toward the subcallus. Fore tarsi slender. Length, 15to 16mm. T’. obscurehirtus. 
Abdomen blackish or dark brownish red, often more or less violaceous, covered mostly 
WE OW Pa PAC Ler i RATE 3. acti. «ic Sap ace sabe’ aya: neanaca Whe eas geeatieBesvent dee eee cme Becomes ia eee ee 19. 
Fore tarsi slender. Body brownish red; antennae and palpi reddish yellow; legs slightly 
darker yellowish brown; fore tibiae with the basal third rather inconspicuously dirty 
white to reddish white. Frons nearly six times as long as wide, slightly narrowed 
toward the subcallus. Length, 14 to 15 mm......... _ T. obscurehirtus var. lubutuensis. 
Fore tarsi moderately, though distinctly widened. Antennae, palpi, and middle and hind 
Jrefesel evita yy oailslalas (ee W/O) 0] 21) en ee a ec Ane wo Men Were oe OG oe 3 A 20. 
. Body more reddish brown; thorax and abdomen covered with a bluish gray to violaceous 
bloom; antennae bright red; pile of face yellowish gray. Frons about six times 
as long as wide, distinctly narrowed toward the subcallus. Length, 17 to 18 mm. 
Nis a cate aca bah ls on Sve S Sedan We ola, Wee gla SE ae ee ee ee T. vanthinus. 
Body blackish brown, covered with a dark gray pruinosity; pile of face brownish gray. 
Frons about six times as long as wide, distinctly narrowed toward the subcallus. 
ACCEL yr MoU ALUN irae» Mo,sp. 6 5. a ey WO co BON ae Rigerd coasts Bue voir Ree oe ce CR T. besti. 
Abdomen reddish yellow, covered with appressed, yellowish pile, mixed dorsally with 
minute black hairs; a conspicuous dark, elongate, median dorsal blotch at the base 
extending over the first, or first and second, tergites, sometimes even over the third. 
Legs, antennae, and palpi pale yellow, the apices of the fore tibiae and the fore tarsi 
mostly dark brown; the fore tarsi slightly expanded. Frons about five times as long 
as wide, slightly narrowed toward the subcallus; the basal callus cuneate and gradu- 
ally produced above into the median ridge-like callus. Wing very faintly tinged 
with yellow; the stigma pale ochre-yellow. Length, 9.5 to 12mm... '. medionotatus. 
Abdomen uniformly reddish yellow, reddish brown, mahogany brown, to black, without 
Dasa: CORSA GAME SIOUCIL. 5-0. Fv asacesn ded a ORE eee certs Se ee 22. 
Legs, antennae, and palpi entirely pale yellow; thorax grayish black, covered with yellow 
pubescence; abdomen reddish yellow, covered with gray or pale yellowish pile; wings 
hyaline, with yellow veins and stigma, faintly tinged with yellow in the costal cell. 
Frons five to six times as long as wide, not narrowed toward the subeallus. Length, 
Gah: Lp MAUI sn: eed s sagt aoe eie © alee) «aap viseeshs Whe ein tata 4 eee etn ete een aaa mt le i. par. 
