IIYDKACARINA 



89 



regarded I)y Viets, witli some hesitation, as being conspecific witli dcj^i'iirralti. 1 think Viets 

 is right in this identification and I may add that I regard also the other forms described in the 

 same paper by Szalay as merely synonyms of degcnerata, viz., eregUcnsis Szalay and taiirica 

 Viets {=stagnaUs Sz3\a.y)} Both these forms are also distinguished l)y their characteristic 



Figure 2. — Eyiais degcnerata Koen. A, B, eyeplates ( 9 ) ; C, maxillary organ from the left side ( $ ) ; 

 D, from beneath ( 9 ) ; E, right palp from the inner side ( 9 ) ; F, right mandible from the inner side { $) ; 

 G, epimcra and genital field (9). 



maxillary plate and pharynx. Tlie latter form, taiirica, was later refound by Szalay in 

 Hungary. 



There is no other character to he relied upon in identifying E. degeiicrala but tlie struc- 

 ture of pharynx and maxillary plate (Viets, 1930, p. 209). vMl other characters vary, for 

 instance, shape of eyebridge, shape and chaetotaxy of palpi, shape and width of oral disc, and 

 length of posterior maxillary processes. 



^ Concerning the change of name, see Viets, 1914, p. 560. 



