54 MECOPTERA AND PLANIPENNIA 
Micromus pusillus Gerstaecker. 
(Plate 4, fig. 19, ©’). 
Micromus pusillus Gerstaecker, Mitt. naturw. Ver. Neu-Vorpomm. 
und Rügen, XXV, p. 171 (1893). Java. 
Very similar to and about of the same size as the european 
angulatus Steph. 
Yellowish to fuscous; antennae yellowish, only the basal 
joints a little darker. Head yellowish, eyes black. Thorax 
yellowish, dark brown at the sides of the nota, breast 
pale brown. Legs pale yellow, with two dark points on 
the anterior and median tibiae. Posterior tibiae but 
little dilated. 
Abdomen pale yellowish in the middle, darker at the 
sides. Venter yellowish. In the © are a pair of digiti- 
form, yellow app. sup. and a long, twice curved, thread- 
like penis. 
The wings are rather broad with broadly rounded tips. 
The anterior wings are spotted all over with minute brown 
atoms and clouds along the veins, and larger ones at the 
apical- and hindborder. The nervature is pale yellowish. 
The 5 basal costalveins are simple, the following furcated, 
in the hindwings all are simple. First row of 5 gradate veins, 
second of 7, all margined with black or fuscous. There 
also is a dark spot between the cubiti in the basal fourth 
of the forewing. The hindwings are hyaline and there 
only is one exterior row of 8 dark gradate veins. 
Body 44 mm., forew. 6—7 mm., hindw. 5—6 mm., ant. 6} mm. 
Abd. 24 mm.,gr. br.2i—3 mm., gr. br. 2;—2; mm. 
Habitat: Java. 
I examined the type, a very mature male, in which the 
colours of the body are altered and described by Gerstaecker 
as fuscous. It is received from Java (Dr. O. Staudinger). 
Further I saw specimens from Central Java, Ambarawa, 
collected by Ludeking, and a series of good preserved females 
in aleohol, all collected at Semarang by Edw. Jacobson. 
Notes from the Leyden Museum, Vol. XXXI. 
