Colleinbola new to En<jJand. 37 



The two species of Oncopodura may be distinguished by 

 the followino- characters : — 



O. hnmata, Carl and Lebed.* 0. crassicorm's, sp. n. 



Antennae slender, segments as Antennte thick, segments as 



1:2:3^:4. 8:11:15:21. 



Postautennal organ absent (at Postanteunal organ present, of 



any rate externally). six tubercles. 



Claw with lateral lamella. Claw without lateral lamella. 



Proximal tooth of the mucro Proximal tooth of the umcro 



slender, pointed, directed towards stout, blunt, directed towards the 



the distal end. proximal end. 



Manubrium : dens : mucro = 20 : Manubrium : dens : mucro = 38 : 



13 : 17. 24 : 23. 



Abdomen iv. a little longer than Abdomen iv. a little shorter than 



iii. iii. 



Relative lengths of teeth on Relative lengths of teetli on 



mucro from base = 17 : 34 : 45 : 47. mucro from base = 17 : 26 : 35 : 39. 



Colour yellowish white. Colour white. 



Length 1'6-1'8 mm. Length "6 mm. 



Suborder S Y M p ii y p L e N A, Boni. 



Family ITeelidae, Fols. 



Genus Neelus, Fols. 



12. Neelus vnnutus, Fols. 

 Neelus mimitus, Folsom, (1901) pp. 221, 222, pi. ii. figs. 3-11. 



Loc. Hertfordshire. 



Family SmintliuridaB, Lubb. 

 Subfamily Sminthuhin^, Born. 

 Genus Sphyrotheca, Born. 

 Sphyrotheca, Bcirner, (1908) p. 183. 



13. Sphyrotheca luhbocki (Tullb.). 

 iSminthurits luhbochi, TuUberg, (1872) p. 33. 



Loc. Staffordshire. 



Except for S. luhbocki, all the species here recorded are 

 new to the British Isles. A. single example of S. luhbocki 

 was recorded by Bagnall (1909) from the Kyles of .Bute, 

 Scotland. 



* The characters here specified are taken from the description and 

 figures given by Carl and Lebedinsky (1905). 



