ANTS AND THEIR COMPANIONS* 99 



one species of Hemiptera : P'lestostethusformicetorum, Boh.; and 

 one species of Lepidoptera : Tinea ochraceella, Tr. 



Formica fuliginosa, L. — Tiie following Coleoptera have been 

 seen in nests of this species : — Hoinoeiisa acuminata, Maerk. ; 

 Oxypoda longipes, Mul. ; 0. vittata, Maerk. ; Thiasophila inqui- 

 lina, Maerk.; Myrmedonia hawortld, Steph.; ill. cognata, Maerk. ; 

 M. Ingens, Grav. ; M. laticollis, Maerk.; Notothecta confusa, 

 Maerk. ; Quedius hrcvis, Er. ; Othius myrmecophilus, Fries ; 

 Dcndrophilas punctatus, Er.; Pteiiidium turgidum, Thorns.; P.for- 

 micetovam, Ter. ; P. grcsncri, Er. ; Batrisus vcnustus, Keich. ; 

 Amphotis marginata, Er. The following species of Homoptera 

 occurs : — Forda viridana, Buck. ; and of Neuroptera, Atropos formi- 

 caria, Hagen. 



Formica fusca, L. — In the nests of this species occur the 

 following Coleoptera: — Homocusa acuminata, ^ii\>Qx\.', Aleochara 

 ruficornis, Grav.; Dinarda dentata, Grav.; Artcmcles cmarginatus, 

 Grav. ; A. paradoxus, Gi'av. ; Myrmedonia limbata, Payk. ; 

 Hetcerius sesquicornis. Preys. ; Ptenidium kraatzii. Mitt. ; also 

 one species of the Thysanura, Bcchia albinos, Nic. 



Formica nigra, L. — Only two species of Coleoptera have been 

 found in the nests of this species : — Astilhus ea)iiculatus, Fab., 

 and Claviger testaceus. Preys. The following Homoptera occur : — 

 Trama troglodytes, Heyd.; Paracletus cimiciformis, Heyd. ; Forda 

 formicaria, Heyd. ; Endeis carnosa, Buck. ; Ripersia suhterranea, 

 Newst. ; and Lecanopsis formicarum, Newst. One species of the 

 Thysanura also occurs : Bechia albinos, N. ; and one of the 

 Onisci : Platyartlirus hojfmanseggii. 



Formica flava, L. — The following Coleoptera occur in the 

 nests of this species, under stones : — Astilbus caniculatus, Fab. ; 

 Medon bicolor, 01. ; Oxypoda hamorrhoa, Sahl. ; Claviger testaceus, 

 Preys. ; Bythinus glabratus, Piye ; Trichonyx maerkelii, Aube. 

 Of Homoptera there are ten species : — Trama troglodytes, Heyd. ; 

 Paracletus cimiciformis, Heyd.; Forda formicaria, Heyd.; Tychea 

 trivialis. Pass. ; T. setulosa. Pass. ; T. setarice, Pass. ; Endeis 

 formicina, Buck.; E.pellucida, Buck.; E. carnosa, Buck.; Ripersia 

 subterranea. Buck. One s^jecies of Biptera also occurs : Phora 

 formicarum, Nees. ; one species of the Thysanura : Beckia albinos, 

 Nic. ; one of the Onisci : Platyartlirus hoffmanseggii ; also one or 

 two unknown species of Acari. 



Tapinoma erratica, Latr. — In a nest of this species at 

 Bournemouth has been found Myrmedonia plicata, Er. 



Myrmica ruginodis, Nyl. — 'The following Coleoptera occur in 

 the nests of this species : — Astilbus caniculatus. Fab. ; Myrmedonia 

 collaris, Payk. ; Medon bicolor, Er. ; Bryaxis hcematica, Erich. 



Tetramorium c^spitum, L. — In the nests of this species a 

 very remarkable species of ant, Anergates atratula, Sch., some- 

 times occurs. This is the one standing in Curtis's ' Guide' as 

 Myrmica maculipes, Curt. It was taken by my father at Char* 



