108 
RECORDS OF TIIE AUSTRALIAN MUSEUM, 
The Tipulid hereafter described is intimately related to those 
species included in the genus Limnobia— m fact it is a modified 
Limnobia. I he only tangible differences occur in the wings. 
The genus Dapanoptera was proposed by Osten-Saeken in 1881 
for four species previously described by Walker under the title 
Limnobia* which had been collected in New Guinea and the neigh- 
bouring islands by Wallace. Osten-Sacken points outf that, “The 
peculiar, although only secondary character, upon which this genus 
(Dapanoptera) is established, is found in the wings, which being 
deeply colored, have a conspicuous hyaline spot at the end of the 
first longitudinal vein ; upon reaching this spot the first vein 
becomes abruptly evanescent ; both its ends (that is the cross- 
vein, running towards the costa, and the real end of the first 
vein turned towards the second) are placed within that hyaline 
spot and are colorless and very weakly marked, sometimes im- 
perceptible. The known species have a supernumerary cross-vein 
in the first posterior cell, beyond the discal (a great deal beyond 
in D. plenipennis, and only a little in the other species.)” *The 
wing of D. plenipennis also greatly differs from the other known 
species in being conspicuously undulatory on its posterior border 
and in haying the second and third longitudinal, and also the 
first vein issuing from the discal cell, strongly undulatory. D. 
mclimondiana appears to agree very well with the remaining 
three species in general plan of venation and regularity of contour 
of the wing ; with antennse, male forceps, dentate claws and 
the auxilary vein as in Limnobia. 
The discovery of Dapanoptera in the tropical jungle of northern 
New South Wales adds another interesting instance to the numer- 
ous evidences of a former Papuan invasion ; and, in passing, the 
occurrence of Libnotes may also be mentioned. To quote Iiedley, J 
“ The types encountered by a traveller in tropical Queensland 
(and also northern New South Wales), or rather in that narrow 
belt of tropical Queensland hemmed in between the Cordillera 
and the Pacific, all wear a foreign aspect. Among mammals may 
be instanced the cuscus and tree kangaroo ; among reptiles, the 
crocodile, the liana or true frog, and the tree snakes ; among 
birds, the cassowary and rifle birds; among butterflies, the Ornithop- 
tera ; among plants, the wild banana, orange and mangosteen, the 
rhododendron, the epiphytic orchids, and the palms ; so that in 
the heart of a great Queensland ‘scrub, 1 a naturalist could scarcely 
answer from his surroundings whether he were in New Guinea or 
Australia.” And he adds, “ It may be supposed that late in the 
Tertiary epoch, Torres Straits, now only a few fathoms deep, was 
* Journ. Linn. Soc. Zool. v., p. 230, (1861) ; vii., p. 202, (1864) ; viii., pp. 
103, 104,(1865). 1 
t Studies on Tipulidse, ii., Berl. Entom. Zeits., xxxi., p. 178, (1887). 
t Proc. Austr. Assoc! Adv. Sci., Adelaide, v., p. 415, (1893). 
