118 ' hymenoptera. 



13. Myrmica lippula. B.M. 



Myrmica lippula, Nyl. Addit. alt. Form. Bor. Eur. 41. 8. 

 Myrmica Miukii, Foerst. Hym. Stud. Form. 63. 33. 



Schenck, Beschr. Nass. Ameis. 142. 



Mayr. Form. Austr. 143. 



Hab. Britain; France; Germany; Austria; Finland. 



Subdivision 3. 



Species minute. Maxillary palpi 5-jointed; labial palpi 3- 

 jointed. Antennae clavate, club 3-jointed. — Sp. 14-30. (PI. VIII. 

 figs. 16 a, 17, 18, 19.) 



(Genus Leptothorax, Mayr.) 



14. Myrmica acervorum. B.M. 



Formica acervorum, Fahr. Ent. Syst. ii. 358. 38; Syst. Piez. 



407. 50. 

 Myrmica acervorum, Zett. Ins. Lapp. 451. 



Nyl. Adno. Mon. Form. Bor. Eur. 936. 7 ; Addit. Mon. 

 Form. 1057 ; Form. Fr. et d' Alger. 89. 16. 



Foerst. Hym. Stud. Form. 61. 32. 



Schenck, Beschr. Noss. Ameis. p. 97- 



Smith, Brit. Form. 124. 8. 

 Leptothorax acervorum, Mayr. Form. Austr. 164. 1. 

 Myrmica lacteipeunis, Zett. Ins. Lapp. 452. 5 <? . 

 Myrmica graminicola, Latr. Hist. Nat. Fourm. 255. ^ (var.). 



Hab. Britain; France; Germany; Austria; Finland. 



15. Myrmica clypeata. 



Leptothorax clypeatus, Mayr. Form. Austr. 164. 1. 

 Nyl. Form. Fr. et d' Alger. 90 (note). 



Hab. Austria. 



16. Myrmica Gredleri. 



Leptothorax Gredleri, Mayr. Form. Austr. 166. 1. 

 Nyl. Form. Fr. et d' Alger. 90 (note). 



Hab. Austria. 



17. Myrmica muscorum. B.M. 



Myrmica muscorum, Nyl. Addit. Mon. Form. Bor. Eur. 1054 ; 



Form. Fr. et d' Alger. 90. 

 Leptothorax muscorum, Mayr. Form. Austr. 167. 4. 



Hab. France; Germany; Austria; Finland. 



