Genus Megarliinus. 133 



extended over a period of live days. The anal flaps seem to 

 have a characteristic shape, and the edges, for the most part, are 

 beset with short stiff spines." 



The figure is reproduced from that of Professor Glenn Herrick's 

 (Bat. News, Vol. XVI., Nov., 05). 



Megarhinus solstitialis. Lutz (1904). 

 Mosquitos do Brasil, p. 10 (1904), Lutz (in Bourroul). 



Head dark, with golden, green and blue scales. Thorax with 

 metallic green and bronze scales, an azure-blue line in front of 

 the roots of the wings, and azure blue prothoracic lobes. 

 Abdomen green at the base, metallic violet and coppery red, 

 dark caudal tufts and white lateral spots. Mid legs of <j? with 

 one band. Male palpi purple with a golden patch beneath the 

 penultimate and antepenultimate segments ; a pale golden mark 

 below on the penultimate segment of female palp. 



J . Head covered with flat azure-blue scales in front with 

 peacock-green reflections, deep brown scales behind, almost grey 

 ones at the sides, with a few black bristles projecting forward 

 the two median ones cross one another. Proboscis metallic 

 violet ; palpi metallic violet, not as long as the proboscis, 

 terminal segment blunt, only about two-thirds the length of 

 the penultimate which is as long as the antepenultimate, three 

 thick black spines at the apex and mauve hues at the joints ; 

 ventrally the penultimate segment has a pale creamy area ; 

 antennae brown, basal segment deep brown, frosty on each side, 

 second segment large densely scaled, scales brown with brilliant 

 metallic hues, the third and fourth densely scaly ; the next seven 

 or eight segments with scales at the region of the verticillate 

 hairs ; clypeus frosty. 



Thorax deep shiny black, clothed with metallic bronzy green 

 scales, a small area of azure-blue ones in the middle line in front, 

 amounting to a dozen scales or so, an azure-blue area on each 

 side in front of the roots of the wings, in front of the scutellum 

 and over the roots of the wings the scales become much larger 

 and broader especially over the former, and are blue at the sides, 

 peacock-green and bronze in the middle, very small bronzy scales 

 over the usually nude area in front of the scutellum behind 

 these large flat scales ; scales of the scutellum mostly pale blue, 

 some green basal ones and some dark ones on the lateral lobes, 

 pleurae with dense white scales ; prothoracic lobes blue, with 



