ORTHEZIINjE. 227 



tesque ratlier than the beautiful which is to be found 

 among these pernicious insects. But all the members 

 of the Ortheziinse are exceptions, being the prettiest 

 and most interesting of the Coccida3. This is due to 

 the wonderfully symmetrical arrangement of numerous 

 glistening white waxy plates or lamellae which partly 

 or wholly cover the body of the female insect (see 

 (PI. LXXIV, figs. 1, 2, 3 ; PL LXXV, figs. 1, 9, 14, 15). 



The females belonging to this division are active 

 throughout life, and carry their eggs and young larvae 

 in a sac or marsupium at the posterior extremity of 

 the abdomen. When denuded of their waxy covering 

 and macerated in boiling potash they are seen to have 

 large tracts of strong glandiferous spines, each gland- 

 tract indicating the position or point of attachment of 

 the cereous plates (see PL LXXIV, fig. 4). The 

 presence of abdominal spiracles in the three species of 

 Orthezia hereafter described is a marked characteristic, 

 and one w^hich has not hitherto been observed in this 

 sub-family of the Coccidae. But whether these organs 

 exist in other species of Orthezia, I am unable to say ; 

 they are certainly not traceable in the newly erected 

 genus Newsteadia. The antennas in Orthezia insignis, 

 Doug., are evidently ambulatory, and are moved 

 alternately up and down as the insect progresses (see 

 PL LXXV, fig. 15) ; this habit is probably attained in 

 other species, as the antennas are highly chitinised, 

 and furnished with a strong apical spine. 



The males, so far as are known, all possess a fascicle 

 or pencil of delicate filaments at the extremity of the 

 abdomen (see PL LXXIV, fig. 9), and the compound 

 eyes are very large. The only male which I have been 

 able to obtain is that of Newsteadia (Orthezia) fl<occosa, 

 De GL, in which I failed to find any trace of ocelli or 

 of the halteres so characteristic of other male coccids. 



The first stage of the male pupa in Orthezia urticse, 

 as observed in examples recently obtained for me in 

 Greece by Mr. Brockton Tomlin, is active ; the insect 

 is completely covered with a pure white flocculent 



