OBSERVATIONS ON SCALE-INSECTS (COCCIDAE)- 



-IIl. 



36' 



three, the laterals small, stout and pointed ; central one missnig in all the prepara- 

 tions. Eyes well defined. Antennae (fig. 17, c) of seven or eight segment^ (bo h 

 forms present in one 5). Legs well developed ; tarsus almost equal m length to the 

 tibia ; lower digitules stout, upper pair normal. Anal lobes with the base and outer 

 edge of equal length, approximately. Anal ring of eight hairs Anal cleft varymg 

 in length from a little less than a third to one-third the length of the body. 



Length, 3-8-5-2 mm. 



Gold Coast : Aburi, food-plant not stated {W. H. Patterson). 



Young females are flattish and very like large examples of L. nigrum. 



Lecanium (Saissetia) subhirsutum, sp. n. 



Female, adult. Form on slender branches very elongate, highly convex and 

 narrowed anteriorlv, on thick branches (rare) broadly ovate and less convex ; anal 

 cleft forming a more or less distinct keel ; lobes prominent and seated m a well nmrked 

 depression. Integmiient "matted," with the dorsum often slightly polished or 



Fio- 18. Lecanium subhirsutum, Newst., sp. n., ? ; a, adult as seen in optical 



"section : b, antenna ; r, marginal and sti.sniatlc spines ; d, anai lobes ; 



e, derm cells and spines. 



entirelv glabrous and shining. Colour generally dark castaneous, with minute, pale, 

 obscui^ f'reckles, which are often more conspicuous in the marginal areas. Immature 

 examples are duskv ochi'aceous with obscure blackish markings ; on drying, these 

 generally lose their form and become shrivelled or NAi-inkled. After maceration in 



