180 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 49. 
J 1 I 11— ■• PSELLIOPHORA COMPEDITA Wiedemann. 
Ctenophora compedita Wiedemann, Dipt, exot., vol. 1, 1821, p. 21. 
One male, one broken female, Depok, Java, March, 1909 (Bryant 
and Palmer). The whig is shown m plate 45, fig. 32. 
PSELLIOPHORA RUBRA Osten Sacken. 
PseUiophora rubra Osten Sacken, Berlin. Entom. Zeitschr., vol 30, 1886, p. 171. 
Buitenzorg, Java, male, April 4, 1909; female, March, 1909 (Bryant 
and Palmer). The material offers the following measurements: 
Male. — Length, 13 mm.; wing, 11 mm. 
Female. — Length, 16 mm.; wing, 12.5 mm. The species having 
never been figured, is shown in plate 45, fig. 33. This material agrees 
very well with Osten Sacken's brief description of this form. His 
type, in the British Museum, came from Mouhot, Laos. In my 
material the black color includes only segments 7 and 8 of the abdo- 
men, 9 being reddish orange like the base of the abdomen; front 
brown, not blackish, etc. 
Tribe TIPTJLINI. 
The question concerning the various groups of species that make 
up the TijMlini should be again considered. The three genera, 
Ti'pula Linnseus, Holorusia Loew, and Ctenacroscelis Enderlein, are 
all very closely related to one another and the slight differences that 
are offered for their separation are scarcely equivalent to those that 
distinguish genera in the Limnobinse. 
Holorusia Loew^ has the cell R^ of the wings very narrow at its 
middle so that the cell is broad at both ends and shaped somewhat 
like an hourglass; the antennae are entirely without bristle-like hairs; 
femora with a semi-ctenidium of stout hairs at its tip. All of the 
species known to me are American (grandis Bergroth (Western U. 
S.) the genotype; maya Alexander (Guatemala); Jlavicornis Alex- 
ander (Venezuela); peruviana Alexander (Peru); oropMla Alexander 
(Colombia); laevis Alexander (Paraguay), etc). 
Ctenacroscelis Enderlein- has the cell R^ of the wings very narrow 
as in Holorusia; the antennae with scattered hairs; the femora with 
a ctenidium near the tip. All of the species known to me are Old 
World forms {praepotens Wiedemann (East Indies, Japan); mono- 
chrous Wiedemann (Java) ; umbrinus Wiedemann (East Indies) ; con- 
spicahilis Skuse (Australia); dohrnianus Enderlein (Sumatra), the 
genotype; silckimensis Enderlein (India); rex. Alexander (Burma), 
etc.). 
» Berlin Entom. Zeitschr., vol. 13, 1869, p. 3. 
sZooI. Jahrbuch, vol. 32, pt. 1, 1912, pp. 1, 2. 
