412 On Hemiptera from Rodriguez. 



Genus Sigara. 

 Sigara felix^ n. sp. 



Ovate, piceous ; head rather wider than the thorax ; vertex 

 of head and sides of tegmina whitish testaceous, below grejish 

 brown ; legs fawn-colour ; face rugose, vertex with slender 

 transverse irregular impressions ; thorax transversely striated ; 

 tegmina punctured, setose. Length 2-3 millims. 



(Coll. by Gulliver.) 



Similar in coloration to S. mirmtissima ; but smaller and 

 comparatively broader. 



Physopoda. 



Genus Aptinothrips. 



Aj^tinothrips fasciatuSj n. sp. 



Blackish piceous, glabrous ; wings hyaline ; bases of an- 

 tennal joints, eyes, ocelli, and five broad abdominal bands 

 crystalline white ; frons fulvous ; antenna3 7-jointed, basal 

 joint conical, the second to fourth obconical, fifth to seventh 

 fusifonn ; the terminal joint terminating in an acute point ; 

 head rounded, truncate in front and behind, with a central 

 obtuse carina and an oblique stria behind each eye. Length 

 3 millims. 



(Coll. by Gulliver.) 



COCCID^. 



Genus Coccus. 



Coccus ceratiformis, n. sp. 



Female. L-regularly elliptical ; above with posterior central 

 depression ; thinly covered with a fine powdery, silveiy, Avaxy 

 efflorescence, which conceals the coloration ; when this is re- 

 moved the insect is bright yellow, often with the central area 

 largely piceous ; about nine segmentations traceable ; under 

 surface somewhat concave ; head sinuate in front, with an 

 angular frontal depression, in front of which is an obtuse 

 ridge ; rostrum situated in the fore part of a deep obovate 

 depression ; antennae 9-jointed, pale testaceous, sparsely clothed 

 with set?e ; legs pale testaceous, rather long (extending beyond 

 the sides of the body in small examples), apparently with three 

 tarsal joints and two terminal claws ; pediferous lobes very 

 prominent. Greatest length 3 millims. 



(Coll. by Gulliver.) 



I cannot identify this species with any of those described 

 by Messrs. leery and Signoret. 



