200 Timehri. 
Table of Species. 
A. Legs banded. Thorax with median line of flat blue scales. 
1. Pulcherrima. Arribalzaga. 
(B. G. Med. Ann., 1905, pp. 28, 29, 31, 33,38. 1906, p.77. 1908, p. 16.) 
Thorax with narrow curved brown gold bordered scales and spot of pale blue 
scales near scutellum. Abdomen with lateral triangular pearly patches. 
2. geometrica. Theobald 
(B. G. Med. Ann. 1906, pp. 63, 69.77. 1908, p. 24.) 
B. Legs unbanded. 
Thorax with silvery blue spot at base of each wing. 
Abdomen with apical pearly blue spots. 
Two and a half tarsi of hind legs white. 
3. lowit, Theobald. 
(B. G Med. Ann., 1908, p. 14, 15, 16, 25.) 
Thorax with azure blue scales at front of root of wings. 
Abdomen with apical pale blue spots. 
Two and a half tarsi of hind leg white, im some lights dusky. 
4. minuta.* Theobald. 
(B. G. Med. Ann., 1908, pp. 15, 16, 25. 
GENUS PsSEUDO-URANATAENIA. Theobald. 
Founded on specimens taken in Berbice. One species found here. 
Pseudo-uranataenia rowlandii. Theobald. 
Wings with creamy white spot on costal border. 
Thorax with scales similar to Geometrica. Abdomen unbanded. 
(B.G. Med. Ann., 1905, pp. 2528. 1906, p.p.61, 77. 1908, p. 24.) 
GENUS ANISOCHELEOMYIA. Theobald. 
Anisocheleomyta leucopteru. Theobald: 
One species bred from larvae from a pond in Stanleytown. 
Head with dark flat scales violet reflections. 
Thorax brown scaled in middle, silvery. 
White outstanding scales at sides. 
Abdomen with white median patches. 
Wings white with costa brown at base and brown area at cross 
veins. N 
(B.G. Med. Ann., 1908, p.p. 16, 24.) 
*L give the diagnosis of minuta and lowii as in Mon, Cul, V. 498-499 Theobald, but as pointed 
out in B.G. Medical Annual 16th year p.16 (1908), T cannot distinguish two species. The close 
similiarity is apparent in the above synopsis, 
