TRIBE LEUCASPIDINI 265 



female with three pairs of minute, pointed, triangular lobes; 

 pectinae and plates numerous, extending around pygidial mar- 

 gin, slender, bluntly pointed, at least twice as long as lobes; 

 median and second incisurae each with two plates, each third 

 incisura with 3-5; genacerores in nine groups, five primary 

 groups when identifiable 13-13(16-17)10-12; four groups in two 

 transverse rows cephalad of mesogenacerores, consisting of 

 3-4 and 2-3 cerores; anus superimposed over mesogenacerores 

 and vulva located between postgenacerores. Leucaspis Candida 

 Targ. Europe on Pinus. pini Hartig. 



cc. Mesospiracerores 12, metaspiracerores 0-1; pygidium with 

 three pairs of minute bluntly pointed lobes; pectinae want- 

 ing, plates long and slender, bluntly pointed, twice or more 

 length of lobes; median incisura with two plates, second in- 

 cisura with three, third incisura with six or seven; gena- 

 cerores in about twelve groups arranged in two transverse 

 curving rows; anus superimposed over pregenacerores and 

 vulva on transverse line drawn through caudal part of 

 postgenacerores. Leucaspis corsa Lindgr. Europe on Pinus. __ 



signoreti Targ. 



bb. Pygidium of adult female with two pairs of lobes, 



c. Pygidium of adult female with lobes obtusely rounded, all of 

 them usually entire. 



d. Pygidium of adult female with median pair of lobes entire, ob- 

 tusely pointed lobes and second pair of small reduced denti- 

 form projections; plates simple, much longer than lobes; 

 pygidium of second nymphal female with broad pectinae; 

 genacerores arranged in nine groups, group of mesogena- 

 cerores much smaller than either of other groups, pregena- 

 cerores or postgenacerores, four extra groups, small, consist- 

 ing of only a few cerores, two groups on each side cephalad 

 of mesogenacerores; scale of adult female pure white, 

 elongate, attenuate, first exuvia brownish. Algeria on 

 Ephedra. ephedrae Marchal. 



dd. Pygidium of adult female with lobes subequal in size and 

 similar in form, second pair not or only slightly smaller 

 than median, entire; median incisura with two distapectinae, 

 second incisura with two or .three pectinae-like projections, 

 and three or four on each lateris adjacent to a lobe, pec- 

 tinae with two to four coarse teeth; lobes two-thirds length 

 of pectinae; mesospiracerores 5-6; genacerores arranged in 

 single crescentic group of 47 cerores or in three groups, 

 7-9(29-29), and two small groups on each side cephalad of 

 the mesogenaceres ; scale of adult female white with blackish 

 marginal glistening first exuvia. Leucaspis epidaurica 



(Genn.) Lindgr. France, Greece, Italy, Cyprus on Olea 



riccae Targ. 



cc. Pygidium of adult female with lobes distinctly pointed, never 

 obtusely rounded. 



