200 ERIOCOCCUS INSIGNTS. 



EXPLANATION OF THE PLATE. 



PL LXXI, figs. 1, la (marked ? ). Ovisacs of female 



natural size in situ on grass leaves. 

 Fig. 2. Female, second stage, from life (dorsal). 



X 40. 

 Fig. 3. Adult female after treatment with potash 



(ventral). X 25. 



Fig. 4. Antenna of adult female. X 150. 

 Fig. 5. Anal segment of adult female (part), with 



anal lobe and anal orifice. X 150. 

 Fig. 6. Tarsus and claw of adult female. X 150. 

 Fig. 7. Marginal secreting spines of adult female. 



X 300. 

 Fig. 8. Dorsal spinnerets. X 300. 



ERIOCOCCUS GREENI (Newstead). 

 (PL LXXI, figs. 14*16.) 



Eriococcus greeni 9 Newstead; Ent. Mo. Mag., s.s., 

 vol. ix,' p. 96, fig. 9 (1898). 



Adult female elongate, with almost the whole of the 

 dorsal dermis covered with large spines, but they do 

 not form a marginal series as in E. insignis. Antennas 

 (fig. 14) rather long, of six joints, the third forming 

 nearly one half of the entire length ; formula 3, 2, 6, 1 

 (4, 5). Legs strong; tibias and tarsi (fig. 16) equal; 

 digitules to claw ordinary ; those of the tarsi appa- 

 rently exist, but are broken away in all the examples 

 before me. Anal lobes (fig. 15) normal, spinose, with 

 one long hair at apex and two or more very short 

 ones at the sides. Anal orifice (fig. 15) with eight 

 very long hairs. 



Long, 2'50 mm.: wide, 1'20 mm. 



Ovisac of female not separable from that of E. 

 insignis (PL LXXI, figs. 1, 1 a). 



