A Monograph o/ Ègyptian Ùiptera 



16. TEPHRITIS, Latreille. 



Latr., Hist. Nat. d. Crust. et Ins., XIV. 389 (1804). 



D'ttricha p.p., Rond., Dipterol. Ital. Prodr., VII. Ortalid 25 

 (1871). 



ing 



Distingui-shed by the usually short but sometimes more or 

 long and geniculate proboscis, the bare R4 + 5, the reticulate w 

 pattern and the usually four scutellar bristles. 



Head usually much broader than high; eyes rounded ; frons 

 broad; epistoma more or less prominent; proboscis usually short 

 with the flaps sometimes prolonged and geniculate; antennae plaeed 

 at the middle of the eyes with the third joint not mope than twice the 

 length of the second joint (usually only oue and a half) and rounded 

 at the upper corner; arista bare or microscopically pubescent; ce- 

 phalic chaetotaxy complète; oc. strong; s. or. 2, the upper always 

 whitish, the lower black; i.or. 2 or 'S;ocp. strong; genal bristle more 

 or less developed. 



Thorax with a complète chaetotaxy; scutellum usually with 

 four bristles. 



Abdomen with latéral and terminal bristles ; female ovipositor 

 usually not longer than the three apical segments of the abdomen 

 together, conical and flattened. 



Legs fairly robust; front femora with one row of well developed 

 bristles beneath; middle tibiae with a single spur; hind tibiae bare. 



Wings usually long and narrow but sometimes rather broad 

 with a reticulate pattern which is usually well marked and cons- 

 picuous but in rare cases the wings may be blackish with hyaline in- 

 dentations and spots or the reticulation may be very faint; costal 

 bristle usually strong or even double; Ri never reaching the radio- 

 median cross-vein; R4 + 5 bare ; R2 + 3, R4 + 5 and Ml usually 

 straight and parallel. but sometimes the two latter diverge ; the 

 cross-veins are not always parallel and perpendicular, more or less 

 approximated : inferior angle of Cu cell drawn out into a short and 

 broad point as long as, shorter or rarely longer than the M cell. 



TYPE : MiL^ca leovtodonfi.^ De Geer (1776). 



