neio genera and species of Acrocerida. 515 



lit in Pterodontid clispositos, costa tamen Jiaud calcarata, 

 cellula externa discoidali appendicula brevi instructa. 



Nothra hicolor. (PI. VI. fig. 4 and details.) 



Luteo-fulva, capite thoracis dorso maculaque triangulari 

 in singulo segnieuto abdominis nigris. _ 



Long. Corp. lin. 4^ ; expans. alar. lin. 9. 



Habitat in Nova Hollandia. In Mus. D. Hopciano. 



Caput rufum. Oculi nigro-liirti. Antennre luteo- 

 piccfe. Thorax lutens, hiteo-hirtus, dorso plaga magna 

 nitida antice subito angnstata nigra. Scutehum pallide 

 luteum. Abdomen thorace paullo latins, ha^misphericnm, 

 luteo-fnlvnm, lutco-hirtum, basi maculaque triangulari ad 

 basin singuli segmenti nigris ; margine laterali tenui fusco. 

 Corpus subtus luteo-fuscum. Pedes pallide lutei, unguibus 

 nigris. Alaj hyalina?, venis fuscis ; costalibus magis luteis. 



Genus AsTOMELLA, Leon Dufour. 



The two insects belonging to this curious genus here 

 described differ from the four species described by Leon 

 Dufour, Vander Linden and Erichson (Entomographien, 

 p. 158). 



Astomella apiformis. (PI. VI. figs. 5 and 5a.) 



Nigra ; thorace postice nitido, antice cum _ lateribus 

 luteo5"ulvo villoso; an tennis deflexis, articulo ultimo yalde 

 compresso, elongato-ovato, piceo; oculis brcviter nigro- 

 setosis; abdomine oblongo, Iffite fulvo, segmentis duobus 

 primis macula transversa basali ornatis; _2do minori ; 

 ventre fulvo segmentis tribus apicalibus basi nigris ;_ ano 

 piceo ; pedibus luteis, intermediis femoribus^ et tibiis in 

 medio infumatis ; pedibus 2 posticis obscurioribus ; _ alis 

 perbrevibus, vix capite cum thorace longioribus, hyalinis ; 

 venis fuscis, vena secunda subcostali ex apice cellulas 

 basalis emissa. 



Long. Corp. lin. 5; expans. alar, antic, lin. 7. 



Habitat in Europa Australi. In Mus. Hopeiano 

 Oxonia3. 



Astomella homhiformis. (PL VI. fig. 6, wing.) 



Brevis, crassa, thorace piceo, luteo-villoso, lobis hiimera- 

 libus et scutello magis rufo-piceis; abdomine thorace duplo 

 majori, semigloboso, fulvo-luteo immaculato; ano incurve; 

 antennarura articulo ultimo oblongo-ovato, obscure fulvo, 

 compresso ; pedibus fulvo-luteis; alis brevibus,latis, hyalinis. 



