26 ERIOPELTIS FESTUCJ:. 



EXPLANATION OF THE PLATE. 



PL XXXVIII, figs. 1-1 b. Insects natural size in 

 situ on grass (Festuca sp.) ; la represents a newly- 

 formed ovisac, 1 b the older and more closely- 

 felted ovisacs. 



Fig. 2. Adult female after treatment with potash 

 (dorsal). X 12. 



Fig. 3. Adult female after treatment with potash 

 (ventral). X 12. 



Fig. 4. Dermis of adult female with truncate spines 

 (dorsal). X 140. 



Fig. 5. Truncate spine. X 600. 



Figs. 6, 6 a, 6b. Antenna of adult female. X 140. 



Fig. 7. Leg of the adult female. X 140. 



Fig. 7 a. Tarsus and claw of adult female, x 300. 



Fig. 8. Larva after treatment with potash (ventral). 

 x 70. 



Fig. 9. Leg of the larva. X 300. 



Fig. 10. Antenna of the larva. X 300. 



G-ENUS SIGNORETIA (Targiom-Tozzetti). 



Adult female narrowly elongate. The antennae of 

 eight joints, and the legs well developed. Anal ring 

 with six hairs. Ovisac of female very elongate, some- 

 times clavate, closely felted, and open at the narrow 

 anterior extremity. Male with a short styliform 

 genital armature. No caudal filaments. 



Male puparium (PL XL, fig. 12) glassy, elongate, 

 with the ends rounded, and rather deep perpendicular 

 sides, which give it a somewhat box-shaped form. 



Here it will be seen that the characters of the male 

 and its puparium help materially in the establishment 

 of the genus, which is rarely the case in the males of 

 this sub-family. The European Signoretia luzul&, L. 

 Dufour, is the only member of the genus, but Mr. 



