DIPTERA. 
509 
Ahlautus, g. n., TI. Loew, 1. c. p. 37. Allied to Anarolius and Rhadinus ; an- 
tennfB much shorter ; face flat, forehead not dilated ; anterior facets of eyes 
larger; thorax not maned; fourth posterior cell open. Sp. A. trifariuSy 
sp. n., Loew, 1. c. p. 36, California. 
New species : — 
Midas. Loew (Berl. ent. Zeits. 1866) describes the following five North 
American species : — M. riipventt'is, luteipennis^ and xanthopterus^ P- 14 ; M. 
simplex and venosuSj p. 15. 
Rlesiomma lejdogastra, Loew, 1. c. p. 18, and P. indecora, Loew, 1. c, p. 19, 
Cuba ; P. unicolor, Loew, 1. c. p. 20, New Mexico. 
Microstylum galactodes, Loew, 1. c. p. 25, New Mexico. 
Stenopogon. Loew (Berl. ent. Zeits. 1866) describes five new North Ame- 
rican species : — S. modestus (p. 26), inquinatus, consanguineus (p. 27), lati~ 
pennis, longulus (p. 28). 
Lasiopogon hivittatus, Loew, 1. c. p. 33, California. 
llcteropogon gibbus, Loew, 1. c. p. 33, Pennsylvania. 
Cyrtopogon chrysopogon, Loew, 1. c. p. 34, C. marginalis, Loew, I, c. p. 35^ 
and C. melanopleurus, Loew, ibid., from the United States. 
llolopogon scnicuhts, Loew, 1. c. p. 36, Nebraska. 
Therevidas. 
Frauenfeld (Verb, zool.-bot. Ges. in Wien, xvi. pp. 447-450) describes and 
figures the pupa and perfect c? of Psilocephala melaleuca (Loew), and gives 
an analysis of previous observations on the preparatory states of species of 
the genus Thereva and its subgenera Psilocephala and Dialinura. 
LEPTIDiE. 
Atherix ibis. A. Chapman records the occurrence of a mass of these flies 
8-10 inches long and 3-5 inches thick on a small branch of alder. Ent. M. 
Mag. iii. p. 94. 
Dolichopodidte. 
Rhaphiuni denticulatum (Meig.). $ characterized by Siebke, Entoni. 
Unders. p. 28. 
Dolichopus. Loew (Berl. ent. Zeits. 1866) describes five new North Ame- 
rican species. D. pugil, terminolis (p. 43), detersus,platyprosopus, and sarotes 
(P- 44). 
Systenus ornatus, sp. n., Mik, Verb, zool.-bot. Gesellsch. in Wien, xvi. p. 305, 
Taf. 1 A. figs. 1-6 (details), Gorz. This species may form the type of a new 
genus, for which the author proposes the name of Oncopygius. 
Gymnoptcrnus 2 }hyllopJioi'us, sp. n., Loew, 1. c. p. 45, North America. 
Paraclius claviculatus, sp. n., Loew, 1. c. p. 45, New York. 
Tachytrechus binodatus, sp. n., Loew, 1. c. p. 46, Saratoga. 
Psilopus opacus, sp. n., Loew, 1. c. p. 63, Sicily. 
Campsicncmus pcctinuldtus, sp. n., Loew, Zoitsch. ges. Naturw. xxiv. p. 390, 
and C. varicornis, sp. n., Loew, 1. c. p. 391, near Halle (1864). 
Phorid^. 
Phora. Loew (Berl. ent. Zeits. 1866) describes five new North American 
species : — P. clavata, microccpliala, p. 51, pachynem a, incisuralis, p. 52, and 
nigriceps, p. 53 ; also P. scalaris, p. 53, fi-om Cuba. 
