180 ACHOHUTES. 



Achorutes liyioerhorea, Boheman. 



Podura hyperborea, Bolieman. Of. af k. Yet.-Akad. Forla., 1865, No. 8. 



" Oblonga, nigro-plumbea, opaca ; antennis pedi- 

 busque brevibus ; abdomine apice inermi. Long. 1 

 millim. In nive ad Belsund Dom. Sundevall; ad 

 Horsund 1 Aug., copiose visa. Dom. Malmgren. 



" Parva. Pod. armat^e, Nicolet, affinis et magnitudine 

 eequalis, sed tota nigro-plumbea, segmento ultimo 

 abdominis omnino inermi. Caput subtriangulare, 

 supra fere planum, immaculatum. Oculi parvi, rotun- 

 dati, vix convexi, nigri. Antennge brevissimae, sat 

 crassse. Abdomen cylindinum, pube brevissima, 

 grisea, adspersum. Pedes breviusculi, crassi, vix 

 pubescentes." 



Prof. Bolieman lias had the goodness to send me, 

 through Prof. Loven, some specimens of this species, 

 and I have satisfied myself that it is a true Achorutes. 

 The lesser claw is small, and there are two tenent 

 hairs, to each foot. 



B. Species with abdominal hooklets. 



Achorutes arr)iatus, Nicolet. 



Podura armata, Nicolet. Mem. Soc. Helv., 1842. 

 Achorutes armahis, Gervais. His. Ins. Apteres, p. 437. 



— — Nicolet. Ann. Soc. Ent. France, 1847. 



— — Lubbock. Trans. Linn. Soc, 1867. 

 Pod^vra armata, Porath. Of. af k. Vet.-Akad. Forh., 1869. 



Plate XL. 



" D'un gris verdatre sur la tete et le dos ; dessous du 

 corps, antennes et pattes gris-pales. Une tache trian- 

 gulaire d'un brun sombre entre les yeux, et quelques 

 autres taches de meme couleur sur le reste de la tete. 

 Yeux noirs. Deux lignes longitudinales et paralleles 

 de taches a-peu-pres triangulaires et egalement brunes, 



