MYRMICA. Ill 



Myrmica laevinodis Donisthorpe Entom. 44 390 (191 1) 30 ; Crawley and 

 Donisthorpe Int. Ent. Cong. Oxford 1912 2 19 (1913) 31 ; Donisthorpe Ent. 

 Rec. 25 5-6 (1913) 32 . 



^ Reddish yellow, shining, with the head and gaster a little darker above, 

 and the rugosity of the whole body less than in any of the other species. Head 

 distinctly striate longitudinally, the interstices very slightly punctured ; 

 frontal area smooth and shining ; antennae : scape cylindrical at the base, 

 evenly and gradually curved, club more or less distinctly four-jointed. Thorax : 

 epinotal spines not longer than their basal width, smooth and shining between. 

 Petiole slightly punctured, somewhat shining ; post-petiole feebly wrinkled 

 longitudinally, shining. Long. 4-5-5 mm. (4-4-5 mm. teste Forel.) 



Fig. 63. Epinotuni, spines, and pedicel of Mi/rmica laevinodis ^. 



$ Reddish yellow ; head above, posterior border of the pronotum, a spot at 

 the articulation of the wings, the scutellum, and often a patch on the gaster 

 blackish brown. 



Other characters as in the ^. Long. 5-57 mm. (6-57 mm. teste Forel.) 



$ Blackish brown, mandibles, antennae, legs and apex of the gaster lighter. 



Head finely striate longitudinally ; antennae with scape as long as half the 

 funiculus, gradually curved near the base ; frontal area smooth and shining, 

 or slightly shagreened. Thorax smooth and shining with the exception of 

 the scutellum and the epinotum anteriorly, which are finely striated. Petiole 

 and post-petiole smooth and shining. Long. 5-5-5 mm. 



Original description of Myrmica laevinodis Nylander [Acta. Soc. 

 Sc. Fenn. 2 927 (1846)] : 



" Operaria : testaceo-ferruginea sparse flavo-pilosula, capite supra, abdo- 

 minis dorso in medio et macula ventrali plus minus fuscescentibus ; capite 

 et thorace longitudinaliter striatim rugulosis ; metanoto spinis binis validius- 

 culis ; nodis petioli sublaevibus. 



Q Long, lf-2 lin. Sordide testaceo nitidiuscula, oculis parvis prominulis 

 rotundis atris. Ocelli nulli. Caput vertice et fronte parum obscuratis, totum 

 longitrorsum minus regulariter lateribusque subreticulatim striatulum ; 

 linea infra longitudinali impressa nigrescente ab ore ad occiput ducta ; 

 clypeo supra et area triangulari frontis politis ; mandibulae subocto-denti- 

 culatae, summis apicibus quoque politis ; lamina frontalis marginibus utrinque 

 subrectis, parum arcuatis reflexisque. Antennae scapis ad basin arcuatim 

 parum flexis. Thorax capite angustior, inter mesothoracem et metathoracem 

 parum compressus et in dorso depressum ; metanotum ante spinas sub- 

 transversim rugulosum. Nodi petiolares sublaeves, nitidiusculi, sparse pilosi. 

 Abdomen longitudine capitis ovatum, supra visum, parum latius, quam a 

 latere visum ; dorso plus minus infuscato interdum fere toto fusco ; ventre 

 puncto vel macula minori vel majori fusca, interdum obsoleta. 



Femina : sordide testaceo-ferruginea sparse flavo-pilosula ; capite, 



