14 
— Ry near Silkeborg. By reexamining my material, I have 
found it is not a new species but C/adura fuscula Loew 
(Beschr. europ. Dipt. 1873, III, 64). 
In Kertiész’ Cat. Dipt. 1902, II, 219, Cladura fuscula Loew 
is given as a synonym to Adelphomyia senilis Hal, this, | 
suppose, is not correct; it is two well-separated species. 
Cl. fuscula belongs to the sub-family Zriopterin®, without 
spurs on tibia, and A. senilis belongs to the sub-family 
Trichocerine with spurs on tibiz. 
Bergroth (Mitth. d. Naturf. Gesell. in Bern 1890 p. 134 
[1891]) says in the description of the Genus Adelphomyia: 
„Ausser der unten beschriebenen Art /A. helvetica] gehört 
in diese Gattung auch Limnophila senilis Hal., mit welcher 
Cladura fuscula Loew synonym ist“. Bergroth, I believe, 
has not seen the true CZ. fuscula Loew, and Kertész is 
following him as to the synonomy. 
Osten Sacken has examined two specimens af Cl. 
fuscula from the collection of Loew in the Berlin Museum, 
and about these specimens he writes (Berl. Ent. Zeitschr. 
1887. XXXI. 206): „I am sure I perceive spurs at the end 
of the posterior tibie“. I suppose it has not been spurs 
but some of the bristles at the end of tibie. 
The diagnose of A. senilis Hal. (Ent. Mag. 1833. 1. 153) — 
is very short, and in Walker’s Ins. Brit. Dipt. 1856. III. 306, 
the species is called Dicranota. By Verrall (Ent. Month. 
Mag. 1887. XXIV. 110) the species is placed in the genus 
Limnophila, and Verrall says: „The wings are broad and 
very pilose towards the tip, — „the spurs of the tibia are 
minute“. This is the true A. senilis Hal., I believe. Of this 
species I have found a Q at Silkeborg, and Mr. Esben- 
Petersen has found a Q at Funder, near Silkeborg. In 
these two specimens there is quite distinct spurs on the 
hind and intermediate tibia, but not on the front tibia. 
Verrall writes (I. c. 1888. XXV.98) „Limnophila senilis 
Hal., is, | believe, the Cladura fuscula of Loew, but it is 
not a true Cladura, in Osten Sacken’s sense“. Verrall, 
