272 Mr. F. Walker's Characters of undescribed Dijitcra 



joint ferruginous, nearly oval ; seta slender, a little longer than 

 the rest of the antennae. Abdomen purplish, lurid red at the tip 

 and in the disk towards the base. Legs white ; femora black for 

 about half the length from the tips. Wings brownish, greyish for 

 nearly half the length from the base ; veins black. Halteres pale 

 testaceous. 



Length of the body 5 lines; of the wings 10 lines. 



Natal. 



Fam. TABANID^. 



Genus Pangonia, Latr. 



Pangonia atr'ifera. 



Mas. — Atra, proboscide thoracis longitudine, thorace nigro- 

 pubescente, abdominis lateribus nigro- pilosis, tarsis subtus 

 piceis, alis nigricantibus apice et apud marginem interiorem 

 obscure cinereis, venae cubitalis ramo antico furcam emit- 

 tente. 



Male. — Deep black. Proboscis as long as the thorax. Antennae 

 black, not dentate. Thorax with thick black pubescence. Ab- 

 domen broader and a little longer than the thorax, with short 

 black hairs along each side. Tarsi piceous beneath. Wings 

 blackish, dark cinereous at the tips and along the interior border ; 

 veins black; fore branch of the cubital vein emitting a fork at 

 its angle. 



Jvength of the body 8 lines; of the wings 16 lines. 



Allied to r. rhinopliora, Bellardi. 



Mexico. 



Pangonia tenuhostris. 



Mas. — Cervina, capite antico ferrugineo, proboscide non thoracis 

 longitudine, palpis antennisque fulvis, thorace abdomineque 

 aurato-pubescentibus albido-sub-tomentosis, abdomine pedi- 

 busque fulvis, alis obscure cinereis basi et apud costam 

 fuscescentibus, venae cubitalis ramo antico furcam emittente, 

 halteribus apice albidis. 



Allied to P. leucopogon, Wd. Male. — Fawn-colour: head 

 ferruginous in front, whitish hindward, with pale hairs beneath ; 

 proboscis slender, shorter than the thorax; palpi and antennae 

 tawny, the latter slender and simple; thorax and abdomen with 

 gilded pubescence, and with very sh'ght whitish tomentum ; abdo- 

 men and legs tawny ; wings dark-grey, brownish at the base and 



