620 



IVAR TRAGARDH 



Besides there are numerous light pores, in some of which very small hairs are 

 inserted. 



From the centre two rather faint but distinct ridges run towards the hind 

 margin, diverging backwards. Between them there is a longitudinal, slitshaped scar. 



156 



155 



Figs. 150—156. Urobovel/a bicarinata n. sp. 



150. Leg I cf, ventral view. 151. Tectum. 152. Femur and coxa II cT- I53- Stigma and peri- 

 trema. 154. Mandible cf. 155. Sternal and genital shield $. 156. Leg I $, ventral view. 



Ventral side (fig. 149) covered by a single shield; genital aperture 

 small, oval, on a line with coxae III. The shield has numerous pores and very 

 minute hairs. Behind coxae IV the triangular, metapodial shields are visible. 

 The anal aperture is very small, situated close to the posterior margin. 



Stigmata (fig. 153) on a level between coxae II and III; peritremata 



