128 4. Xi//opha^t{s. 



lis. LarvtB in ligno putrido degiint. Imagiiies truncis ar- 

 boiuni insident. Differentia sexus perspicua; mas: nonni- 

 liil niiiior, brevior, oculis in fronte paullo distantibus, abdo- 

 inine iiiieari, ano subobtuso ; feinina : longior, robustior, 

 oculis in fronte magis distantibus, abdomine lanceolato , 

 ano subulato (pro depositione ovuloruni aptato). 



1. X. aler : anleiinis capile transverso fcre duplo 

 longioribus; ater, pedibus pallidis, poslicorum femoribus 

 tibiisque, apice infuscatis, alis subhyalinis, fascia abbre- 

 viala fusca. ^^. (Long. 5 — 6 lin.). 



Mas: pedibus pallide flavis, tboracis vittis 3 griseis alarum- 



que fasciu f usca , obsoletissimis. 

 Fein,: pedibus flavo-testaceis, thoracis vittis 3 griseis alarum- 

 qiie fascia fusca, distincticiiibus. 

 Fabr. Anll. 64. 1. Meig. Dipt. 2. 11. 1. ^?. Tab. 12. 

 f. 11. ?. Fall. Dipt. Sv. Xyloph. 13. 1. $. & var. ae. ?. 

 Macq. Dipt. Suit. a Buff. 229. 1. ^?. t. 5. f. 13. ?. Zett. 

 Ins. Lapp. 511. 1. ,^$. Kmpis suhulaln Panz. Fn. 51. 23 

 (figura repraesentat m,irei/t\ sed in descriptione dicitur: 

 alai corpore longiorcs; qiiod yir'. '///// fP compelil.) 



Hab. in Iruncis arborum vivcntium Belulai albae cfe 

 Populi tremulae, 20 Maj. — 30 Jul. , per Scandinaviam 

 minus frcq.; scilicet in Scania ad Raflcn cfe Abusa prope 

 Lund; in Smolandia ad pricdium Bcrga Calmari»; in 

 Uplandia ad Holmiam, D. IValilherp:^ ci- in Lapponia 

 Svccica alque Norvcgica. — Ad Hafniam, D. Sla^s^er. — 

 In Scandinavia; provinciis mcridionalioribus individua in 

 IruHcis Populi , sed in seplenlrioualibus specimina semper 

 in truncis Bctulaj inveni. 



2. X. cinctus: antennis longitudine capitis Irans- 

 vcrsi; ater, pedibus testaceis, alis subbyalinis, fascia 

 abbreviata fusca, abdominc in femina cingulo rufo. ^$. 

 (Long. 5A — 6A lin.). 



