388 TIPULID.'E. 



from the Eoceue of Aix seen by Osten Sacken in the Marseilles 

 Museuui. 



TaUe of Sjnc'ws. 



1 Whifs clear f/enitalis, Brun., p. 388. 



Wings with marks or spots, at least one or 



two above the stij^ma 2. 



2. Thorax yellow, with distinct small black 



spots 



3. 



Thorax either yellow, without spots, or dark 

 brown or blackish, with three dorsal stripes 



present or absent 4. 



3, Thorax with five black spots on dorsum Jiavicosta, sp. n., p. 389. 



' Thorax with a circle of ten small black spots [p. 390. 



arranged towards the edge of the dorsum . circipmictata, sp. n., 

 4 A large mark like a ' 3 ' upside down, on the 



side of the thorax frichns, sp, n., p. 391. 



No such mark S- 



.5. Wing spots confined to two (over the stigma, 



or the stigma and prrefurca) 6. 



"Wing spots more numerous _ • . 7. 



t3. Two spots over stigma ; thorax brownish [p. 392, 



yellow : wings yellowish vinaceobrminea, Brun., 



One spot over stigma, one over pragfurca ; 

 thorax dark brownish black; wings fuscous, fletcheri, Edw., p. 393. 

 7. Costa with almost continuous fiisciated brown 



spots, with smaller spots in the remainder [p. 393. 



of the wing ^««/c7/rj>eM?i/s, sp. n., 



Costa with seven distinct brown spots, the 



apical one very small 8. 



'8. The oth longitudinal vein without a row of _ _ [p. 394. 



small spots semistrinta, Brun,, 



The .')th 16noitudinal vein with such a row . semifasciata, Brun., 



[p. 395. 



578. Geranomyia genitalis, Brun. (PI. XI, fig. 7.) 



Gemnomyia r/enitalis, Brunetti, Rec. Ind. Mus. vi, p. 275 (1911). 



(^ 2 . Read blackish. Proboscis nearly as long as head and 

 thorax together ; palpi placed at the middle, all black. Antennae 

 black, joints not very distinct. Thorax light grey; dorsum 

 mainly occupied by a large shining black spot, projecting broadly 

 forwards to the anterior margin. The linear depression behind 

 the suture wide, light grey, as are also the scutelluui and the 

 middle part of the metanotum, the sides of the latter, with the 

 pleura, being shining dark brown ; sides of thorax light grey. 

 Abdomen : dorsiun blackish, belly yellowish. Genitalia of male 

 unusually formed; a small square brown upper plate with an 

 underlying pointed piece ; a large pair of complicated claspers, the 

 first joint thick, hairy, brownish black, shining; the second of 

 equal or greater length, rather larger, oval, of roughened, sponge- 

 like appearance; the first joint bearing a small concolorous, hairy 

 palp-like organ on the inner side, near the dorsum, below which 

 is a slender yellow semi-transparent hook, and below which again 



