SOME NEW COCCID^ OF THE SUBFAMILY LECANIIN^. 131 



From P. marmorata I bred a female parasite, Coccophagus 

 lecanii (Fitch). 



Lecanium (Calymnatus) impar, n. sp. 



? . Scale flat, 2i mm. long, 1£ broad, dark cbestnut-brown, with 

 delicate raised lines radiating from the margin. Outline oblong or 

 suboval, but always inequilateral, one side being nearly straight, the 

 other well rounded out. 



? . After boiling semi-transparent, very light brown, not divided 

 into plates, but segmentation visible at the margins. Skin not reticu- 

 lated ; sparsely beset with minute glands ; a broad marginal area 

 thickly beset with rather large hyaline spaces, arranged mostly in 

 irregular rows radiating from the margin, often double. Anal plates 

 with their outer sides about equal. Posterior cleft quite long. Two 

 more or less distinct rows of large hyaline spaces in the middle line, 

 between the anus and the mouth ; these spaces are often small and in 

 little groups, and when large they exhibit small round gland-spots upon 

 them. Margin with extremely minute simple bristles, very few in 

 number. Stigmatal spines in threes, short, sunken wholly beneath 

 the lateral margin of the scale. Eostral loop very short. Legs and 

 antennas well formed, colourless ; antennae 6-segmented, 3 very much 

 longest, longer than 1 + 2, and usually longer than 4 + 5 + 6 ; formula 

 3261 (45) ; 2 and 3 each a pair of bristles near the end. Legs slender, 

 femur rather short, tibio-tarsus long, the tarsus about two-thirds the 

 length of the tibia, but the articulation very obscure, often not dis- 

 cernible, and as the tarsus is constricted near its middle, there seems 

 to be a very long tibia with an extremely short tarsus. Tibia and 

 tarsus each with a strong bristle not far from the end ; tarsal digitules 

 filiform but moderately stout, with distinct knobs ; claw digitules stout, 

 extending far beyond claw. The females studied contain embryos. 



Hab. Las Minas, Tabasco, Mexico, June 3rd, 1897, on 

 leaves of " Escobillo" (Toivnsend). Sent by Dr. L. 0. Howard ; 

 Div. Entomology, No. 7808. Some are infested by a parasitic 

 fungus, apparently an Aschersonia. L. impar is allied to L. 

 acuminatum, Signoret. Superficially it looks a good deal like 

 L. tessellatum. 



Lecanium (Eulecanium) subaustrale, n. sp. 



$ . Scale 6^ mm. long, 3 wide, 2£ high ; very like L. magnoliarum, 

 but rich dark ferruginous or chestnut colour, instead of brown, and 

 without any blackish marbling ; surface rather shiny, rugose and 

 faintly tuberculate, not distinctly tuberculate as in magnoliarum. 

 Much roughened at the sides, but not punctured as in L. quercifex. A 

 hardly noticeable tendency to a dorsal keel. Skin (after boiling, by 

 transmitted light) yellowish, chitinous, tessellated in the Eulecanium 

 manner, with round gland-pits of various sizes, some quite large. 

 Legs well formed, slender, coxa quite long, tibia hardly longer than 

 tarsus with claw ; claw stout ; all the digitules filiform, with small but 

 distinct knobs ; digitules of claw extending considerably beyond the 

 claw-tip, and a little beyond tip of tarsal digitules. Margin with 



