248 



A Monograph of Culicidae. 



of the wing, its stem one-third the length of the cell ; stem of 

 the second posterior a little more than half the length of the 



Fig. 74. 

 Wing of Danielsia tripunctata. 



n. sp. 



cell ; posterior cross- vein a little more than its own length 

 distant from the mid. 



Halteres broad and thick, stem pale, dark at the elbow and 

 along one side and the knob fuscous. 



Length. — 5 ' 5 mm. 



Time of capture. — September. 



Habitat. — Rio Grande (Dr. Lutz). 



Observations. — Described from a perfect J sent me by 

 Dr. Lutz. 



It resembles at first sight mediomaculata, but can at once 

 be told by the particoloured golden and brown thorax, the 

 tripunctate abdominal segments, and the longer fork cells. 



Danielsia nigrescens. 



n. sp. 



Head deep blackish-brown, paler in the middle and around 

 the eyes ; palpi, antennae and proboscis deep brown. Thorax 

 deep brown with rich bronzy brown scales. Abdomen deep 

 blackish-brown with basal white lateral spots and pale hairs. 

 Legs deep brown, unbanded. 



$ . Head black, clothed with small rather loosely applied 

 dusky flat scales, somewhat paler in the middle, some dusky 

 narrow-curved scales along the nape and black thin upright 

 forked scales ; proboscis deep brown ; palpi longer than the 

 proboscis, the last two segments and apex of the antepenultimate 

 with black hair-tufts, the apical segment not quite as long as the 

 penultimate, traces of a few pale scales at the base of the 

 penultimate. 



Thorax deep brown with small narrow-curved bronzy-brown 

 scales and black chaetae ; scales somewhat paler around the bare 



