126 
Psyche 
[December 
croaches onto the sides of the posterior disc. They have 
therefore been regarded as belonging to Ballou’s species, 
the range of which is thus considerably amplified. 
I did not, to my knowledge, take this species in Trinidad 
and can therefore give no information as to its food plants. 
There is, however, a single male in the Coll. M. C. Z. from 
Port of Spain, Trinidad and no doubt the similarity in col- 
oration to D. howardi and pallid specimens of D. maurus 
has caused it to be overlooked by collectors. I understand, 
nevertheless, that even in Grenada it is rare. 
LITERATURE CITED 
Ballou, H. A. (1906): West India Bulletin, VII, 64. 
Burmeister, H. (1835): Handbuch der Entomologie, II, 285. 
Distant, W. L. (1883): Biologia Centrali Americana, Heteroptera, 
I, 233. 
Distant, W. L. (1902): Annals and Magazine of Natural History, 
Series 7, IX, 43. 
Fabricius, J. C. (1803): Systema Rhyngotorum, II, 227. 
Guppy, P. L. and Thornton, T. (1911): Board of Agriculture of 
Trinidad and Tobago, Circular 6. 
Hahn, C. W. (1834): Die Wanzenartigen Insecten, II, 13; Tab. 
XXXVIII, fig. 123. 
Hewison, H. K. and Symond, J. E. (1928): Empire Cotton Growing 
Review, V, 48. 
Hussey, R. F. (1929) : General Catalogue of the Hemiptera, III, 101. 
Myers, J. G. (1927): Annals Entomological Society of America, 
XX, 300. 
Stal, C. (1867): Berliner Entomologische Zeitschrift, X, 382. 
Stal, C. (1870): Enumeratio Hemipterorum, I, 123. 
Urich, F. W. (1916): Bulletin Department of Agriculture of Trini- 
dad and Tobago, XV, No. 1. 
Withycombe, C. L. (1924): Bulletin of Entomological Research, 
XV, 171. 
EXPLANATION OF PLATE 4. 
1. D. howardi Ballou (Trinidad). Right paramere, right side. 
2. D. maurus Distant (Trinidad). Right paramere, right side. 
3. D. discolor Walker (Grenada). Right paramere, dorsal surface. 
4. D. maurus Distant (Mirim Ceara, Brazil). Right paramere, 
dorsal surface. 
5. D. discolor Walker (Grenada). Right paramere, right side. 
6. D. fernaldi Ballou (Trinidad). Right paramere, right side. 
7. D. fernaldi Ballou (Trinidad). Right paramere, left side. 
8. D. fernaldi Ballou (Grenada). Right paramere, dorsal surface. 
9. D. mimus Say (Trinidad). Right paramere, right side. 
10. D. mimus Say (Trinidad). Right paramere, left side. 
II. D. mimus Say (Guatemala). Right paramere, dorsal surface. 
12. D. mimus Say (Honduras). Right paramere, ventral surface. 
All approximately 40 times natural size, drawn with camera 
lucida under low power of microscope. 
