22 Mr. T. V. ^Vollaston on undescrihed Madeiran Insects. 



in the dense forest-region of the Lombo dos Pecegueiros, in the 

 north of the island. 



Genus Hemiteles, Grav. 



Hemiteles postica. 



H.foem. nigra, nitens; antennis corpora paulo brevioribus ; abdo- 

 mine rufo, basi nigro ; oviductu abdominis dimidio paulo bre- 

 viore ; pcdibus rufis, nigro-variis ; alis subhyalinis. — Long.corp. 2, 

 alar. 3^ lin. 



Inhabits ]\Iadeii-a proper. 



Genus Exetastes, Grav, 



Exetastes peregrinus. PI. IV. fig. 2. 



E. mas niger ; antennis corpora paulo brevioribus ; abdomine valde 

 compresso, thoracis duplicati longitudine, segmentis 3tio 4 toque 

 flavis ; pedibus flavis, femoribus tarsisque posticis nigris ; alis sub- 

 hyalinis. — Long. corp. 2-5, alar. 5-7 lin. 



Inhabits Madeira proper, occurring principally at lofty eleva- 

 tions. In August 1850, I captured it on the extreme summit 

 of the Pico Ruivo, — more than 6000 feet above the sea. 



Genus Ephialtes, Grav. 



Ephialtes lateralis. PI. IV. fig. 3. 



E.foem. niger ; antennis corporis dimidio paulo lougioribus ; thoracis 

 vittis lateralibus coxisque anterioribus flavis ; abdomine ferrugineo- 

 rufo, thorace plus duplo longiore, basi suturisque nigris ; oviductu 

 corporis longitudine ; pedibus rufis ; alis hyalinis. — Long, coi-p. 

 6-8, alar. 9-19 lin. 



Inhabits Madeira proper ; occurring in the moist sylvan di- 

 stricts (Cruzinhas, Pecegueiros, &c.) of intermediate and lofty 

 altitudes. 



Ephialtes lineatus. PI. IV. fig. 4. 



E. fcem. rufus ; capite flavo, nigro-vario ; antennis nigris subtus 

 ferrugiueis, corporis dimidio longioribus ; thorace nigro flavoque 

 vittato ; abdomine thorace plus duplo longiore, suturis nigris ; 

 oviductu abdominis dimidio paulo breviore ; pedibus luteis, posticis 

 nigro-variis; alis hyalinis. — Long. corp. 5, alar. 7i lin. 



Inhabits Madeira proper ; being attached to similar spots (Cru- 

 zinhas, &c.) as the last species, within the sylvan regions. 



Ephialtes linearis. 

 E. mas et fcem. rufus ; capite antennisque nigris, his corpore b"re- 



