4720 Addenda Tomis 1 V. VIII 6c XI. Aricia. 
cT. Frons prominula, oculi approximali, sed miii coh*ren- 
les, antennarum seta longior, in medio distincte 2C sat 
dense pluinala, pluma in latere superiori mediocriter lon- 
ga, subtus paullo brevior, apice sat late (circiter nuda, 
abdomen linea dorsali unica nigra, incisuris immaculatis, 
anus (in c?) parvus, niger, nitidus, appendices sub ven- 
tre subelongats, ovales, pilosul», alarum nervus transver- 
sus ordinarius (in utroque sexu) obliquus fiC perspicue tlexus, 
fC denique «I® prxsertim ad costam subfuscan®, basi squa- 
mwque sub-alares sat distincte flav», speciem ab affinibus de- 
notant. Reliqua in Dipt. Scand. I. c. videas. 
*Q, qualem Rev. Stenhammar misit, mari similis, sed differt: 
robustior, magis grisescens, oculis per orbitas griseas vit- 
tam frontalem latam nigram late remotis, thoracis vittis sub- 
tribus nigris, lateralibus irregularibus obsoletis, media sub- 
gemina per vittain griseam divisa, abdomine ovato, acuto, 
linea dorsali £C maculis irregularibus obscure olivaceis mi- 
cante, upice griseo, immaculato. 
Obs. Specimina nuper e nympha declarata alis magis hyalinis, 
basi squatnisque subalaribus subalbidis instructa, qualia ad 
Lund d. t4 Sepi, invenerim. 
*27 — 28. Ar. hyaiipennis Zeti. n. sp. : oblonga, ob- 
scure cinerea, capite albicante; fronle subprorainenle ; 
antennarum sela mediocriter longa, nonnihil ullra medi- 
um modice longe at sal dense plumata; thoracis villis 
3, abdominisque unica, incisurisque, nigris; alis hyali- 
nis nervo Iransverso ordinario obliquo flexo; squamis 
subalaribus albis, halteribus flavis; mas: oculis subco- 
hjerenlibus, villa frontali angusta, nigra; abdomine sub- 
convexiusculo, ano parvo, nigro, nitente, appendicibus 
ventralibus mediocribus, nigris, pilosis. (Long. 2| lin.). 
Anthomyiu sociata Meig. Dipt. 5. 98. 10? — 
Hylemyia sociatu Meig. 7. 315. 10? 
