44A 
DIFl’EKA. 
F. Walker, Ganad. Eut. vi. pp. 12, 111-114, translates Winuertz’s Syn- 
opsis of the European sub-families and genera. 
Mycetophila caudata^ Stag., p. 347, figs. 6 & 7, rufescens, Zett., p. 348, 
fig. 8, described from Austrian specimens ; J. Mik, Verb. z.-b. Wien, xxiv. 
pi. vii. 
Mycetohia persicce figured in its chief stages ; T. Glover, Rep. Comm. 
Agric. 1872, p. 114, fig. 4. 
Sciara. Collections of larvae forming a string, resembling a snake, 
noticed in Virginia; id. 1. c. p. 115, fig. 5. 
Paratinia, g. n., J. Mik, Verb. z.-b. Wien, xxiv. p. 333. Very like 
Polyleptq ; wings hairy, with the characteristic cell trapezoidal, inor- 
dinately long, &c. P. sciarina, sp. n., id. 1. c. p. 331, pi. vii. figs. 3-5, 
Austria. 
Diadocidia valida, sp. n., id. 1. c. p. 329, pi. vii. fig. 1, Austria. 
Exechia rujilhorax, sp. n., V. d. Wulp, 1. c. p. 124, pi. viii. fig. 4, Holland. 
Brachycampta rujicauda, sp. n., id. 1. c. p. 125, pi. viii. figs. 6 & 7, Holland. 
Mycetophila sordida, sp. n,, id. 1. c. p. 125, pi. viii. fig. 8, Amsterdam. 
Platyura concolor^ sp. n., id. 1. c. p. 126, Holland. 
Chironomidji. 
Chironomus (3 spp.) and Tanypus sp. ; larvae found in the depths of 
Lake Leman. The classification of these insects should be above all 
based on larval characters, which are more marked than the adult. D. 
Monnier, Bull. Soc. Vaud. (2) xiii. p. 60. 
General obsevations on the economy, &c., of the Dutch species ; V. d. 
Wulp, Tijdschr. Ent. xvii. pp. 127-137, who describes the following new 
genera and species : — 
Cricotopus^ p. 132, for Chironomus tibialis, bicinctus,3-cinGtus,annulipes, 
oscillator, and ornatus, Meig., motitator, L., uni/asciatus, Mcq., and syl- 
vestris, F. 
Orthocladius, ibid., for Chironomus stercorariua, Dej., dilitatus {nigri- 
ventris), V. d. W., pygmccus, thoracicus, and ictericus, Meig., sordidellus 
and ? lucens, Zett., and 0. diver sus, p. 139, nanulus, p. 140, and albinervis, 
p. 141, Holland. 
Camptocladius, p. 133, for Chironomus byssinus, Schr., aterrimus and 
minimus, Meig. 
Tanytarsus, p. 134, for Ch. punetipes, Wied., abdominalis, Stg., jflavipes, 
pusio, tenuis, junci, and albipes, Meig., sylvaticus and signatus, V. d. W., 
gmundensis, Pigg., flavellus, Zett., and T. sordens,p. 141, pi. viii. fig. 9 
the Hague. 
Eurycnemus, p. 135, for Ch. elegans,Meig. {crassipes, Pz.,cestivus, Curt., 
and hirtipes, Mcq.). 
Metri6cnemus,p.\Z^, for Ch.albo-lineatus,fuscipes, nanus, ^mdipallidulus, 
Meig., incomptas, Zett., and M. ochraceus, p. 142, Utrecht. 
Corynoneura pumila, p. 137, the Hague. 
Chironomus 3-color and 3-notatus, p. 138, Holland. 
Tanypus gutlipennis, p. 142, pi. viii. fig. 11, rufo-vittatus, p. 143, eh- 
gantulus Siud pygmceus, p. 144, Holland. 
