THE SCALE IXSECT GENUS A8TER0LBCANIUM 01 



pasania^ by four complete and four interrupted rows. There are 

 also 20 to 30 multilocular pores in castaneae, and 36 in jxtscmiae. 

 Another obvious difference is the greater number of marginal quin- 

 quelocular pores in proportion to the marginal 8-shaped pores in 

 castcmme, and the fact that the row extends as far, or nearly as far. 

 posteriorly as the marginal 8-shaped pores. Furthermore, the habits 

 of the two are different, castaneae being known only from bark and 

 pa&cmiae from leaves. 



Asterolecanium caudatum Green 



(Fig. 13. A-F; pi. 5. P) 



Described in 1930 (49, pp. 214-216). 



Habit. — Living on the lower surface of leaves. 



Test of female. — Elongate, rounded at anterior end, lateral margins of anterior 

 two-thirds of test parallel or indented by growth against hairs of leaf, posterior 

 third usually strongly narrowed and produced, but sometimes tapering rather 

 gradually from broader area to tip ; 1.4-3 mm. long, 0.4-0.75 wide ; slightly raised 

 dorsally, with a faint longitudinal median carina, flat ventrally ; greenish or 

 very pale clear yellow, transparent, thin, slightly punctate : marginal filaments 

 colorless, or whitish to very pale yellowish, usually absent from posterior end 

 and rather sparse to fairly numerous elsewhere : sometimes with 1-20 whitish 

 dorsal filaments placed at varying intervals in submarginal area, longer than 

 marginal ; circular larval exit in margin. 



Adult female. — Shape similar to that of test, parasitized specimens apparently 

 not strongly narrowed : 1.4-2.75 mm. long. 0.4-0.65 wide. 



Margin: 8-shaped pores in a single row, the posterior pair of pores usually 

 around four times the length of apical seta from setal bases and penultimate 

 pair of pores at posterior third, or about six times the length of apical sera 

 from setal bases; if posterior third is strongly narrowed, the row sometimes 

 terminates at posterior third; if specimens taper rather gradually, the pores 

 terminate about twice length of apical seta from bases of setae, several of the 

 pores posteriorly being closer together : the spaces between the pores range 

 normally from more than one to three or four times a pore's length, but some- 

 times there are long areas without pores, the latter condition probably being 

 due to growth against hairs on the leaf: individual pores measuring 7-8 a 

 long and 4 wide. 



Dorsal surface : None or 1-20 8-shaped pores in submarginal area, 8-10 /j. 

 long and 6-8 wide; minute 8-shaped and disk pores rather sparse: tubular ducts 

 32 ft long; dorsal tubes present. 



Ventral surface: Antenna circular, flat, with 2 setae slightly longer than 

 diameter of antenna: beak without setae, but rarely with 4 clear areas sug| 

 ing setal bases: spiracular bar somewhat rectangular; 3-6 quinquelocular pores 

 close to spiracular open ins: or, rarely, extending toward body margin; 1 or 2 

 dark-rimmed 8-shaped pores sometimes present each side of mouth parts, usually 

 2 anterior to mouth parts. 1 each side of, and 2 anterior to, genital opening, 

 and usually a few in lateral area of abdomen arranged in 2-7 short transverse 

 rows : submarginal 8-shaped pores in a single row terminating near genital 

 opening, spaces between pores about equal To twice the length of a marginal 

 8-shaped pore; 4 pairs of submarginal setae near posterior end of aba 

 the posterior pair about midway between genital opening and apical setae; 1 

 pair of setae posterior and 1 pair anterior to genital opening. 



Apex of abdomen: Notch present: lobes rarely indicated; setae, apical 6< 

 n long, interapical 12 p long, inner ventral 7-8 u long, outer ventral S ft long: 

 anal ring with 6 setae 32-3U u long, and with an inner row of 6 and an outer 

 row of 14 pores, divided on dorsal side and tending toward division on ventral. 



Second staye. — Elongate, slender, tapering gradually from anterior third to 

 posterior tip; margin with 8-shaped pores once or twice a pore's length apart, 

 the row terminating three times ;i pore's length from bases of apical setae: 

 available specimens poor and characters on dorsal surface indetermii . 

 ventral surface with 1 or 2 qninqnelocular pores outside spiracle, minute char- 

 acters indeterminable; apex of abdomen as in adult but apical setae broken. 

 and other setae one-fourth shorter. 



