298 



Feinur 3 with spur L. lacertarum (Cont.) 



Pemur 3 unarnied 5. 



Peritrema reaching level between 



coxae 3 and 2 L. saurarum Oudras. 



Peritrema passing coxae 1 . . . L. albatus (C. L. Koch). 



Fernales. 



Two dorsal shields . . . . . L. musculi (C. L. Koch). 



One dorsal shield 2. 



Sternal shield present .... o 3. 



No sternal shield more . . . . L. uncinatus (Can.) 



Sternal shield trapezoidal ... 4. 



Sternal shield linear L.sylviarum (Can. et Fauz.) 



Legs 1 and 2 thick and short ; fe- 



mur 1 and 2 dorsally with 2 



spines each L. spinosus Oudms. 



Legs 1 and 2 not so thick ... 5. 

 Dorsal shield wide, occasionally and 



especially posteriorly surrounded 



by unprotected margin ... 6. 

 Dorsal shield narrow, surrounded by 



hairy unprotected skin . . .7. 

 Coxa 2 with 2 spines, one forward 



and one backward; coxa 3 with 



2 spines backward L. albatus (C. L. Koch). 



Coxa 3 with one spine forward . L. corethroproctus Oudms. 

 Peritrema reaching coxa 2 ; dors. 



shield without constriction in the 



middle L. lacertarum (Cont.) 



Peritrema passing coxa 1 ; dors. 

 shield with constriction in the 

 middle L. saurarum Oudms. 





