Report for 1911. 5 



Family Staphylinidae. 



**Homaeusa acuminata, Mark. One specimen taken in debris of hedge- 

 bottom at Enslow Bridge, May, 19 10 (f. R. h B. Tomlin) • one by 

 sweeping at Cothill, 25th May, 191 1. This species is associated with 

 the black ant Lasius fuliginostis, Latr. 

 *Oxypoda exigua, Er. In moss on banks of Cherwell near Water Eaton, 



scarce, March, 191 1. 



"Homalota silvicola. Fuss. By sweeping at Wytham Park, one example, 



13th May, 191 1. 



**H. elegantula, Bris. A single specimen of this rare and distinct species 



taken by sweeping on the railway-bank near Yarnton, 20th May, 1910. 



*H. coriaria, Kraatz. In wood-pigeon's nest near Wytham, several, 



27th August, 1910 ( /. C). 

 *H. villosula, Kraatz. In haystack-refuse, Water Eaton, Wytham, &c. , 



April, 1910 (J. C). 

 *H. cinnamoptera, Thorns. In flood-refuse near Water Eaton, Decem- 

 ber, 1 910 {J. C). 

 *H. pygmaea, Grav. In haystack-refuse, Water Eaton, &c, April, 1910 



(/• C). 

 *Tachyusa scitula, Er. Bayworth, Berks, in a damp tuft of grass, 



13th April, 1910 \H. St. J. Donisthorpe). 

 Gyrophaena minima, Er. Cothill, in fungus, 18th August, 1910 (_/. C). 

 *G. lsevipennis, Kraatz. In an elm stump near Tubney, 22nd July, 1910 



(/• C). 

 *OHgota granana, Er. In mill-refuse, Cothill, common, first taken 22nd 

 March, 1910 ; also in Bayswater Mill near Headington, 1st April, 1910. 

 *0. apicata, Er. In dry black fungoid growth on dead beech near Wood 

 Eaton, not rare, 15th May, 191 1. 

 **Hypocyptus apicalis, Bris. In mill-refuse, Cothill, rare, May, 191 1. 

 *Mycetoporus lucidus, Er. Among dead beech leaves near Wood Eaton, 

 one, 26th February, 1910. 

 **M. forticornis, Fauv. In sand-pit at Tubney, 3rd July, 1904 (Donis- 

 thorpe). Regarded as distinct from M. clavuornis, Steph., by Dr. 

 Sharp and other Coleopterists. 

 *Heterothops praevia, Er. About cow-house, Water Eaton, 20th March, 

 1910 (f. C.) ; not uncommon in mill-refuse at Cothill, spring, 191 1. 

 Quedius fulgidus, Fab. In sand-pit at Cumnor, among droppings of 



sand-martins, one, July, 1911 {J. C). 

 *Q. scintillans, Grav. Widely distributed throughout the district in-hay- 

 stacks and vegetable-refuse ; first taken at Water Eaton, 20th March, 

 1910 (/. C). 

 Philonthus umbratilis, Grav. In manure-heap near Water Eaton, 

 common, March, 1910 (J. C.) ; also near Summertown, &c. 

 **P. ebeninus Grav., var. corruscus, Grav. One specimen of this rare 

 and handsome species taken in a dead hedgehog at Wytham Park, 

 6th August, l9lo(y. C). The /'. ebeninus, Grav., of the " Prelimin- 

 ary List," is now referred to P. concinnus, Grav. {cf. Joy, Ent. Mo. 

 Mag., 1908, p. 51). 



/'These species are separated from Gabrius 

 (Philonthus ) trossulus Nord., and G. nigri- 

 tulus, Grav. , by Dr. D. Sharp ( Ent. Mo. Mag. , 

 1910, pp. 129 — 131). G. stipes occurs in 

 fresh dung near Water Eaton {J. C.) ; 

 G. pennatus is often abundant in flood-refuse: 

 of G. velox I have a single example from the 

 district, and G. bishopi is found in moss at 

 Yarnton (6th June, 1908, J. C. ), not rarely, 

 and in flood-refuse at ''Duke's Cut " on the 

 ^ Canal, December, 191 1. 



*Gabrius stipes, Sharp 



G. pennatus, Sharp 

 *G. velox, Sharp 

 *G. bishopi, Sharp 



