306 JOURNAL OP THE TRINIDAD 



ON A SMALL COLLECTION OF COCCID^ FROM THE 

 ISLAND OF GRENADA. 



By T. D. A. Cockerell, New Mexico (U.S.A.) Agricultural 

 Experiment Station. 



THE following notes are based on a small lot of scale insects 

 collected hy Messrs. W. E. Broadway and G. W. Smith, 

 in Grenada, and transmitted to me by Mr. Urich. They are 

 interesting as coming from a locality of which the Coccids are but 

 slightly known, and one of the species is new. 



(1.) Asterolecanium pttsttdaiis, Okll. On twigs of Leuccena 

 glcmca, Benth., a leguminous plant. Botanic Gar- 

 dens, July 2nd, 1895. 

 (2.) Ceroplastes sp. Possibly new, but all the specimens 

 are broken. On Eugenia, cultivated in the Botanic 

 Gardens, July 21st, 1895. 

 (3.) Lecanium urichi, Ckll. With an ant, on plant not 

 identified. May 8th, 1895. Hitherto known only 

 from Trinidad and Brazil. 

 (4.) Pidvinaria broacbcayi, n. sp. On twigs of a cultivated 

 plant not identified, Botanic Gardens, August 29th, 

 1895. 



Female scale reddish-brown, about ii mm. long in the shrivelled con- 

 dition, on and surrounded by an oval cushion of white secretion, about 3 

 mm. long. The white secretion is similar in character to that of the ovisac 

 of an ordinary Pulvinaria, Female after boiling in soda colorless or nearly 

 so, the derm with numerous conspicuous round and tubular glands. 

 Margin with a row of stout but rather short pale brown spines, very 

 numerous, 6 or 7 in a distance equal to the length of the tibia. The spines 

 are about as long as the breadth of the tibia. Rostral loop reaching to 

 insertion of middle pair of legs. Anal plates light greenish-brown, rather 

 broad, their outer angle about a right angle. Tip with two hairs, and 

 outer inferior margin with one or two hairs. Surface of plates with small 

 round glands. Anal ring with several hairs. 



Antennae 8-jointed, very pale brownish, 1st joint fully as broad as the 

 length of the 3rd. 3rd longest, but only about twice as long as broad, 

 and about as long as 4 + 5. 2 and 8 subequal in length, 2 perhaps a little 

 the longer ; 2 no longer than broad. 4 and 1 next longest, subequal in 

 length ; 4 a little longer than broad. 5 and 6 equal and a little shorter 

 than 4, 7 shortest. Formula 3(2S)(4i)(5C) 7 2 with two hairs near its end. 



Legs very pale brownish, rather stout and large. Tibiotarsal arti- 

 culation unusually distinct. Tibia a little shorter than femur. Tarsus 

 one-third shorter than tibia. Claw strong, much curved ; digitules of claw 

 stout, extending beyond its tip, with large knobs. Tarsal digitules slender, 

 nearly twice as long as those of claw, with small but very distinct obliquely- 

 placed button-like knobs. 



This species will be readily known by the cottony matter entirely 

 surrounding (but not covering) the scale, by the very numerous marginal 

 spines, &c. 



