50 REV. J. E. HULL ON 



28. Urodinychus [pontianus, sp. nov.] 



480/x, (Nymph). 67, 



Oblong oval, well shouldered. Margin very narrow 

 with strong spiny setae projecting beyond the rim, 

 9 or 10 on either side; two similar frontal setpe. 



Ninebanks, in moss. 



PHAULODINYCHUS, Berl. 



Type : interriipttis, Halb. 



I. Marginal scutum not reaching the end of the dorsal, interrnptus. 

 ,, just reaching the posterior end of 



dorsal rnino)'. 



Maritime species. 



29. Phaulodinychus interruptus, Halb. 900/^1. 68. 



Plentiful under stones, Budle Bay, North Sunderland, 

 Warkworth. 



30. Phaidodiny chits minor, Halb. 



Ireland ; habitat same as that of the preceding. Not 

 yet found elsewhere. 



URODISCELLA, Berl. 

 Type : ricasoliana, Berl. 



1. Dorsal median scutum with shallow punctures ... sigiiata. 

 Without punctures above ... ... ... ... 2 



2. Ventral plates cjuile smooth and shining ... ... philoclaia. 



,, more or less pitted ... ... ... ricasoliana. 



All the species are myrmecophilous. 



31. Urodiscella philoctena, Tr. 



Ireland (with Lasius flaviis). 



32. Urodiscella ricasoliana, Berl. 



See Donisthorpe's British Ants. 



33. Urodiscella signata, sp. nov. 



Length 485/A. Scuta both above and below finely and 

 pretty densely pitted. Hairs of dorsum as in 

 ricasoliana. Marginal border narrow as in that 

 species, but set with tiny spines as \\\ philoctena ; 

 not interrupted in front. Colour pinkish. 



Lancashire (Ainsdale, R.S.B.) with Lasius flaims. 



