114 Mr. T. V, Wollaston on undescribed Madeiran Insects. 



(S. Antonio da Serra, Ribeiro Frio, &c.) of intermediate eleva- 

 tions. 



Genus Scatopse, Geoffr. 



Scatopse tristis. PI. V. fig. 2. 



iS. atra ; pedibus vaUdis, femoribus tibiisque anticis partim testaceis ; 

 alls cinereis. — Long. corp. 1:|:, alar 2\ lin. 



Inhabits Madeira proper, abounding at times in certain spots 

 at intermediate altitudes. On the 10th of August 1855, I ob- 

 served it, on the wing, in a small limestone cavern at the Forno 

 de Cal, near Sao Vincente, in svich countless myriads that the 

 air appeared absolutely darkened by it. 



Genus Cheironomus, Meig. 

 Cheironomus pedestris. 



C. /cem. obscure fuscus ; palpis testaceis ; pedibus longis validis, 

 femoribus basi testaceis ; alis fuscis, balteribus albis. — Long. corp. 

 1^, alar. 3 lin. 

 Inhabits the Dezerta Grande; occurring also, I believe, on 



the Southern Dezerta and in Porto Santo. 



Genus Limnobia, Meig. 



Limnobia contraria. 



L. nigra ; anteunis albidis ; thoracis disco abdominisque apice testa- 

 ceis ; pedibus flavis, femoribus, tibiis tarsisque apice nigris ; alis 

 luteis, fascia arcuata nigra ornatis. — Long, corp, 4^, alar. 9 lin. 



Inhabits Madeira proper, occurring about the fountains and 

 water-courses of a lofty elevation. I have taken it rather com- 

 monly at the Cruzinhas in July. 



Limnobia Maderensis. 



L. fusca ; antemiis palpisque subnigris ; tborace flavo, vittis tribus 

 ferrugiueo-fuscis ornato, lateribus albidis ; abdomine subtus flavo ; 

 femoribus fulvis, apice nigris ; alis cinereis. — Long. corp. 2|— 3, 

 alar. G^-7 lin. 



Inhabits Madeira proper, occurring in similar spots as the 

 last species. 



Limnobia haligena. 



L. fusca ; antennis palpisque nigrescentibus ; abdominis apice dilu- 

 tiore ; pedibus robustis ; femoribus tibiisque ad apicem tarsisque 

 nigrescentibus; alis fusco-cinereis. — Long. corp. 3^, alar. G\-7^ lin. 



Inhabits Porto Santo and the Southern Dezerta. 



