INSECUTOR INSCITI^ MENSTRUUS 49 



Male : Eyes with the small facets forming a dark band along 

 the lower margin, very broad posteriorly and tapering to a 

 point above antennse. Third antennal joint with the basal 

 process hardly larger than in the female, but distinctly acute. 

 Abdomen with the dorsal markings less distinct, the median 

 stripe obsolete. Length: Body, about 11 mm.; wing, 8.3 mm. 



Mayaguez, Porto Rico, 1 female, January 9, 1912 (C. W. 

 Hooker), 1 male, October 24, 1914 (R. H. Van Zwaluwen- 

 burg). 



Type, Cat. No. 19354, U. S. Nat. Mus. 



Named in memory of the late C. W. Hooker. The species 

 agrees with none of the descriptions of species previously re- 

 ported from the West Indies. 

 Hyperalonia gargantua, new species. 



Antennse deep reddish brown to black, the style slightly 

 shorter than the third joint. Head with the vertex dull black, 

 the frons clothed mostly with pinkish brown scales and fine 

 black hairs; posterior eye-margins white-scaled. Thorax 

 blackish brown, anteriorly with a collar of erect maroon red 

 hair-scales, followed by black ones; a large tuft of maroon 

 red scales before roots of wings and another beneath posterior 

 angles ; tufts of the same color upon the coxse ; disk of thorax 

 clothed with small appressed blackish scales, becoming pinkish 

 posteriorly, at the sides and upon the scutellum. Abdomen 

 dorsally with the first segment black-scaled; second with a 

 broad band of white scales anteriorly, slightly narrowed 

 toward the middle, where it is about half the width of the 

 segment; the succeeding segments wholly black-scaled, the 

 scales at the posterior margins of the segments touched with 

 dull pink, on the margin of the sixth segment a few white- 

 tipped scales. Venter dark, with long maroon red hair-scales 

 at the sides, longest and most dense anteriorly. Femora dark 

 reddish brown tinged with black, the tibiae and tarsi black. 

 Wings with four submarginal cells and three blackish bands 

 similar to those in H. cerberus but less extensive. The first 

 band is basal and involves the bases of the second basal and 

 anal cells ; the second band crosses the wing over the anterior 

 cross-vein, involves the base of the discal cell, the apices of 



