THE SCALE INSECT GENUS ASTEROLECANIUM 211 



Ventral surface: Antenna] setae, I, 1; IV, 1; V. 1: VI. 3 long. 2 stout, 3 

 fairly stoutj antenna! bases around one-half length of antenna apart; beak 

 setae, 2 pairs apical, 1 pair basal; spiracle with 1 trilocnlar and 1 quinquelocular 

 pore; leg setae, coxa 2, femur 1 on inner margin near base, tarsus 1 each on 

 inner and outer margins: tibia one-half as long as tarsus; 9 pairs of submargi- 

 nal 8-shaped pores; 11 pairs of submarginal minute setae, on abdomen, thorax, 

 and bead : i' pairs of setae near antennae. 



Apex of abdomen : Lobes indicated ; setae, apical broken at base, interapical 

 ::.t; - long, a pair 1 m long entad of interapical. outer ventral 1.8 y. long; 

 anal opening apical, apparently small and circular: anal tube sclerotized, very 

 short, aud larger at inner end than at opening; anal ring not differentiated 

 from tube, apparently without setae or pores. 



Test of male. — Somewhat elliptical, anterior end more often truncate than 

 rounded; 1.10 mm. long, 0.5 wide: convex dorsally, sometimes with a faint 

 longitudinal median carina: liar ventrally : pale yellow, transparent, thin; 

 marginal filaments very pale yellow, nearly colorless. 



Third-stage male. — Elliptical: margin with 8-shaped pores terminating twice 

 a pore's length from bases of apical setae, trilocular pores terminating near 

 third 8-shaped pore from end of row. nearly as numerous as 8-shaped pore-: 

 ventral surface with 5-7 quincpielocular pores between each spiracle and body 

 margin and 1 dark-rimmed 8-shaped pore beside beak, legs represented by .", 

 pairs of circular, slightly raised areas apparently without claws; apex of 

 abdomen with apical setae broken, interapical and ventral setae smaller than 

 in female: anal opening possibly apical, anal tube, anal ring, and anal setae 

 apparently absent. 



Data. — Redeseribecl from unmounted specimens and the following 

 mounted material: Three females and three larvae from MaxiiiviMiana 

 sp., and three females from Cocos sp., Santa Catalina. Lower Orinoco, 

 Venezuela. Rushby and Squires. 1896, X. Y. B. G.. U. S. X. H. ; one 

 female from Mawimilliana caribaea, "Teteron Bav. r? Trinidad, British 

 "West Indies. X. L. Britton. March 11. 1920. X. Y. B. G.: seven females 

 and one third-stage male from Attalea fumfera, Bahia. Brazil, received 

 from G. Bondar, 1923. Xo. 619. 



Closely related to pallidum and truncatum. but differing from them 

 in lacking pores in the atrium of the spiracle and in the arrangement 

 and number of the multilocular pores. 



Asterolecaxium truncatum, new species 



(Fig. 74. A-Fj pi. 9, /) 



Habit. — Living on the lower surface of leaves. 



Test of i^/nale. — Elongate, both ends usually truncate, widest on anterior 

 third, tapering gradually to posterior end: 1.75-2 mm. long. 0.5-0.75 wide: convex 

 dorsally. flat ventrally ; brownish or light yellow, transparent, fairly thin, punctate ; 

 marginal filaments light brownish or pale salmon: circular larval exit in dorsal 

 surface close to margin. 



Adult i final* . — In shape similar to test. 1.5-1.75 mm. long, 0.5-0.7 wide. 



Margin: 8-shaped pores in a single row terminating around one-half length 

 of an apical seta from setal bases, posterior pores 8 m long and 4 wide, the others 

 9 u long and 4 wide, from the width to The length of a pore apart ; trilocular pores 

 in a single row terminating opposite a point between the fourteenth to the 

 thirtieth 8-shaped pore from end of row of those pores, slightly more numerous 

 than corresponding 8-shaped pores. 



Dorsal surface: Minute 8-shaped and disk pores in median area, very sparse: 

 tubular ducts 28 n long. 



Ventral surface: Antenna thimble-shaped, with L' setae twice as Long as, 

 and 1 oi 2 about as long as. diameter of antenna: 8-7 trilocular pores between 

 antenna and margin: beak with 2 pairs of setae: spiracle with bar expanded at 

 inner end. atrium enlarged and containing 5 or •> quinquelocular pores, 10-1.". 

 similar pores extending from spiracle to body margin in an irregular double 

 row; multilocular pores, with 10 loculi. in 3 complete and 5 interrupted rows, the 

 posterior row with 9-14 pores, penultimate row with 13-20, anterior complete 



