1920] Alexander: Crane Flies From Formosa 257 



Abdomen reddish brown. Male hypopyjj;ium with the pleural 

 appendages not blackened as in E. nigroapicalis, the outer appendage 

 bifid, the caudal arm acute, the cephalic arm shorter, shaped as a 

 flattened blade; inner pleural appendage slender, cylindrical. Ovi- 

 positor with the valves long and slender, pale, the tergal valves moder- 

 ately upcurved. 



Habitat: Formosa. Holotype, c/', Shishito, May 25, 1917 

 (T. Shiraki) No. 1357. Allotopotype, 9 • Paratopotypes, 

 2 cf's, 19. 



Molophilus Curtis. 



Molophilus costalis Edwards. 



1916. Molophilus costalis Edwards; Ann. Mag. Nat. Hist., ser. 8, vol. 18, p. 251. 



One cf, one 9, Funkiko, Formosa, April 25-27, 1917 (T. 

 Shiraki) No. 1355. 



Allotype d^ . Very similar to the type female. Antenna? of moderate 

 length only. Hypopygium with four conspicuous blackened spinous 

 appendages that are almost straight; dorsal spines at their base on the 

 inner side with a smaller, straight spine of approximately one-half 

 the length of the larger. The ventral appendages are longer and more 

 slender, the tips acute, the inner face before the tip with microscopic 

 teeth. 



Male — Length 3.2 mm. ; wing, 4 mm. 



Allotype, cf , Funkiko, Formosa, April 27, 1917. 



Gonomyia Meigen. 

 Gonomyia (Gonomyia) pruinosa sp. n. 



General coloration of the head and thorax dark, heavily light gray 

 pruinose; antennae dark brown, the scapal segments pale whitish 

 yellow; legs brownish yellow, metatarsi short; wings nearly hj^aline, the 

 stigma and small dots at the origin of Rs and the fork of Cu dark brown ; 

 cell 1st Mz open ; basal deflection of Cui far before the fork of M; abdomen 

 brownish black, the tergites narrowly ringed with light yellow. 



Female — Length, 5.0 mm. ; wing, 5.2-5.3 mm. 



Rostrum and palpi dark brown. Antennae with the scapal segments 

 pale whitish yellow, the flagellar segments dark brown, oval. Head 

 pale brown, heavily light gray pruinose. 



Mesonotal praescutum with four dark brown stripes, heavily light 

 gray pruinose, more reddish in the vicinity of the conspicuous, elongate 

 pseudosutural foveas. Pleura and sternum reddish yellow. Halteres 

 elongate, pale brown, the knobs more yellowish. Legs with the coxae 

 and trochanters reddish yellow; femora and tibiae brownish yellow, 

 the tips of the latter narrowly darkened; tarsi brown. Wings nearly 

 hyaline; stigma small, oval, dark brown; a small, dark brown spot at 



