Séance dw 21 Avril 1920 H 



^^llicil c'iosrly ngrcrs willi wlial I have obscivcd iii 

 t'<;vi)liiin cxninples ol' Ihis spccics. 



Tho lly when al n'sl aiid seen sideways lias a cliar- 

 aoterislic allilii<le : llic wings are held horizonlally 

 over Ihc baek and llie body is beni downwards, wbilc 

 llie antennae have Ibe apex of the llagellnni much 

 curved outwards. 



Length of male : 2—2 1 2 mm. 



Antcnmic : monilirorin, porreel, Ki- jointed, as 

 long as the breadth of the wings. The Inst joint is 

 eyiindrical, the second glol)ular, and the third and fol- 

 lowing joints of the llagelluni llask-shaped, (i.e. provi- 

 ded with a narrow collar and a swollen globular base). 

 Flagellum verticellate, well lurnished with hairs, which 

 vary in coloni' I'rom j)ure white to grey. The swollen 

 base of each joint is provided with two whorls of curved 

 hairs. 



Head: small, sessile. Kyes lunate. Palpi iour-join- 

 ted. exserted ; the joints are not eciual in length, the 

 second joint bei)ig by far the longest, all covered with 

 dark hairs ; likewise the epistoina and face. The frons 

 is furnished with erect hairs which are whitish al their 

 extremity, while the hairs of the vertex are greyish. 



Wings: broad, ovate-lanceolate, very hairy, R .") 

 ending exactly at the a[)ex. 



Bifurcation of \V1\\',\ situated well before the middle 

 of the wing, while that of Ml M2 nearer the base. Ves- 

 titure of wings of a more or less deep brownish-grey 

 colour with certain parts white and others yellowish. 

 There are two black tufts of erect hairs around which 

 are adhering a reduced number of white hairs : one is 

 on R2 and the other on the M2, in both cases situated 



