DONISTHORPEA. 213 



metathoracis dorso abbreviate ; squama subrectangulari, parva, supra 



subrotundata. 



Long. 1-1J lin. 



Mas : Fusco-niger, parum cinereo-micans, antennarum flagellis, thorace 

 circa scutellum tarsisque ferrugineo-pallescentibus ; capite thoraceque 

 pilositate fere obsoleta, scapis pedibusque nudis ; linea frontali impressa, 

 profunda ; alis hyalinis, nervis et stigmate pallide navescentibus ; 

 subradio basin versus subfusco ; area discoidali parva, subquadrata vel 

 nulla ; squama subrectangulari, apice medio leviter emarginato. 

 Long. 1|- lin." 



" Femina : Fusca tota undique cinerso-micans, nitida, corpore toto sparse 

 flavido-pilosulo, antennarum scapis tibiisque praeter pubescentiam 

 adpressam nudis ; antennis, tibiis tarsisque ferrugineo-pallescentibus, 

 coxis et femoribus fuscescentibus ; mandibulis confertim longitudinaliter 

 rugosis, f ortiter punctatis ; clypeo subtiliter punctulato, f oveolis lateralibus 

 laevibus; area frontali obsoletissime punctulata, nitida ; scutello in circuitu 

 rufescente ; alis amplis, hyalinis, nervis cum stigmate pallide flavidis, 

 subradio fusco ; squama subcordata, apice subangulatim leviter emar- 

 ginata. 

 Lg. 3| lin." 



Habitat. 



Donisthorpea aliena is widely distributed in Europe, though it 

 does not appear to be as common in the North as nigra. Ruzsky 

 records it from the Caucasus, Siberia, Turkestan, and Finland, and 

 Bingham from the North- West Himalayas up to 9000 ft 28 . 



Dalla Torre sinks Formica pallitarsis Provancher [Fauna. Ent. 

 Canada. Hym. 2 598 (1883)] as a synonym of D. aliena 11 , but Pro- 

 vancher's description does not agree with aliena, nor does Wheeler 

 in his list of described North American Ants [Ants 561-572 (1910)] 

 give the latter species for North America, where it is represented 

 by D. nigra var. americana Emery. 



The British distribution is as follows : 



Cornwall, W. : The Lizard (H. C. Champion)** ; Cornwall, E. : 

 Trebetherick (Hallett). 



Devon, S. : High Peak, Sidmouth (F. Smith) 12 ; Stoke Fleming 

 (Perkins) 15 ; Seaton (Crawley)^ ; Devon, N. : Croyde Bay (Par- 

 fitt) 1 * ; Woolacombe (Pinkney)* 6 ; Lundy Island (F. Smith) 7 . 



Somerset, S. : Minehead (Farren-White) 22 ; Somerset, N. : 

 Steepholm (Hudd). 



Dorset : The Haven, Poole Harbour (Hamm) ; Studland (Morice}\ 

 Swanage (Nevinson) ; Lul worth (Farren-White) 20 ; Wmfrith Heath, 

 Godlingstone Heath, and Morden (Haines). 



Isle of Wight : Blackgang 27 , the Landslip, Shanklin, and San- 

 down 43 (Donisthorpe) ; St. Helens (Hamm). 



Hants, S. : Bournemouth (Rothney) & ; Hayling Island (Saun- 

 ders) 11 -, New Forest (J. F. X. King) ; Hants, N. : Fleet (E. A. 

 Butler). 



Sussex, E. : Hastings 30 ; Sussex, W. : Littlehampton and 

 Arundel Park (F. Smith Coll.). 



Kent, E. : Deal (F. Smith)* ; Buckland near Dover (Hall) 1 * ; 

 St. Margaret's Bay (Donisthorpe). 



