41)2 GNATS OK MOSQUITOES — CHAPTER XIV 



6. URANOT^NIA LOWII, Theobald (Monog. II, p. 339). 



Last two hind tarsal joints and half of the next white, but 

 with no distinct banding of the fore and mid legs. The thorax 

 is of the usual chestnut-brown, with some ill-defined darker 

 ornament, in the shape of a pair of submedian lines and patches 

 above the wings, but the characteristic iridescent patches are 

 represented only by two small bluish-white spots in front of the 

 wings. Abdomen dark brown, with traces of pearly-blue apical 

 spots. 



$ . — Head clotlietl witli flat, deep brown scales, with a small iridescent 

 silvery-blue patch on each side ; its appendages deep brown ; the pro- 

 boscis spatulate. Scutellum clothed with flat black scales ; pleurie pale 

 ochreous. Wings with small fork-cells, and the hinder much the larger, 

 with a few iridescent scales at the bases of IV and V. Venter ochreous. 

 Legs brown with tlie mid femora dilated. Length. — 1*5 mm. 

 Habitat. — St. Lucia, West Ladies. 



7. URANOTiENIA SAPHIRINA (Osten-Sacken). 

 rEdes Saphirinus, Ost.-Sacken, Trans. Amer. Ent. Soc, II, p. 47. 



Tarsi uniformly pale brown. Thorax tawny-browui, paler on 

 the pleura?, with a metallic-blue median mesothoracic line i-each- 

 ing the scutellum, a pale blue line in front of the wings, and two 

 blue spots on the pleurae. Abdomen brownish above, pale below, 

 with pale apical bands. Wings with an iridescent patch at the 

 bases of III and IV. 



Head with a sapphire-blue front and median line ; proboscis very 

 long, " incrassated " at the tip. Pleurae pale tawny-brown, with three 

 sapphire-coloured marks ; " feet brownish, paler at the base, a snow-white 

 dot on the upper side of the femora, and of the tibiae." Halteres with 

 pale stem and brown knob. Length. — 2'5 mm. 



Habitat. — United States ; "Washington, Brooklyn, Ithaca. 



Remarks. — No specimens have come to hand of this species, biit it is 

 evidently a verj* disthict species, and there can be no practical doubt as 

 to its belonging to this genus. I do not understand why Mr. Theobald 

 believes that the tarsi are banded. No mention of such a character is 

 made in the original description, nor is it indicated in a subsequent 

 figure by Howard, and the closely-allied U. natalicB has also unhanded 

 tarsi. 



8. URANOT^NIA NATALIiE, Arribiilzaga (" L. A." p. 64). 



Tarsi unhanded, dark brown, their last joints reddish. 

 Thorax dark fawn, with a darker median line; a long pale blue 

 spot on each side in front of the wings ; prothoracic lobes blue. 

 Abdomen black, with pearly bands. 



