212 Ins . 
DIPTERA. 
New species : — 
A ty lotus riigrif cicies, Gobert, Mem. Soc. L. N. Fr. 1883, p. 82, Bor- 
deaux. 
Hcematopota nigricornis , France, and bigoti , Landes, id. 1. c. p. 90. 
Tabanus obsolescens , Athens, p. 207, exclusis , p. 208, and expollicatus , 
S. France, p. 209, Pandelld, Rev. d’Ent. ii. ; T. alleynii , Marten, Canad. 
Ent. xv. p. 110, N. Carolina. 
Therioplectes tetricus, fremchi, and susurrus , id. Z f c. p. Ill, Montana. 
LePTIDjE. 
Triptotricha , Low ( Leptidce ) = Dialysis , Walk, (erroneously referred 
to the Xylophagidce) ; Osten-Sacken, B. E. Z. xxvii. p. 295. 
Lampromyia, Macq., recharacterized ; id. 1. c. p. 296. 
Ghrysopila folda , Linn. Transformations described ; Coquillett, Canad. 
Ent. xv. pp. 112 & 113. 
Atherix ibis , Fabr. Swarm on a sprig of alder; Ormerod, P. E. Soc. 
1883, p. 20. 
AsiLIDiE. 
ArribAlzaga, E. L. Asilides Argentinos. Au. Soc. Arg. xv. pp. 5-18 
& 79-90. 
Relates to the Argentine species of Mallophora , Proctacanthus , Erax , 
Neomochtherus , Epitriptus , and Asi'Zws. 
Asilus sp. killing 8 moths in twenty minutes; H. Edwards, Papilio, iii. 
p. 25. 
Isopogon , Loew. Brauer, Wien. ent. Z. ii. pp. 53-56, discusses this 
genus, and decides that the name cannot bo retained. Its constituents 
beloug to 2 genera, as follows : — Leptarthrus , Steph. (= Isopogon and 
Pygostolus, Loew, Aphamartania , Schin., Nicocles , Jaenn., Dasypogon , 
Meig., Dictoria , pt., Wied.) : front tibiae with a terminal spine ; to 
include brevirostris and vitripennis , Meig., pictus, (emulator, dives , Loew, 
politus, Say, analis, Jaenn frauenfeldi and syriaca , Schin. Ceraturgus , 
Wied. (= Isopogon , Loew, Dasypogon , Wied., Taracticus, Ost.-Sack.) : 
front tibiae with no terminal spine ; to include aurulentus , Wied., 
cornutus , Wied. (= cruciatus , Say), lobicornis, Ost.-Sack., dimidiatus , n(/i- 
pennis , Macq., ? vitripennis , Bcllardi, ? niger , Macq., nobilis , Meig., and 
brevis , Schin. 
Brachyrrhopola , Macq. rujicornis and maculinervis , Macq., discussed, 
and a new species described ; Yon Roder, Wien. ent. Z. ii. pp. 273-276. 
Apiocera , Westw. Osten-Sacken discusses its characters at great 
length, and refers it unhesitatingly to the Asilidce. He appends a notice 
of the various known species ; B. E. Z. xxvii. pp. 287-294 & 300. 
Arribdlzaga characterizes, but does not name, 2 new genera of Asilidce , 
the types of which are his Asi/ifs cuyanus and imitator ; An. Soc. Arg. 
xv. pp. 84-86. 
Pediophoneus , g. n., Arribdlzaga, An. Soc. Arg. xv. p. 87. Allied to 
