96 MORPHOLOGY AND TAXONOMY OF ADULT MALES 



Segments I-VII : tergites present on segment II only, represented by 3 small sclerites on 

 anterior margin, one medially and one on each side ; sternites represented by transverse plates 

 on segments II, III and V-VII. Caudal extension of segment VII large, reaching or extending 

 beyond the level of posterior margin of segment VIII, tapering, weakly sclerotized. Dorsal 

 setae : up to 8, 7, 9, 7, 6 and 3 f.s. on segments I-VI respectively, but none on VII ; usually- 

 one h.s. on each side on segment I and each of segments I V-VII. Pleural setae consisting of dorso- 

 pleural setae : 4-12 (average 8-i), 2-7 (average 4-4), 6-9 (average 7-5), 5-9 (average 6-4), 3-8 

 (average 4-8) and 1-6 (average 3-9) f.s. on I-VI, and 0-1 (average 0-5), 0-3 (average i-6), 1-3 

 (average 2-4), 2-4 (average 2-4) and 0-3 (average 1 -6) h.s. on segments II-VI respectively, and 

 of ventropleural setae (sometimes difficult to separate from dorsopleural group) : usually one 

 f.s. on II— III and up to 5 on segments IV-VI, and usually one h.s. on segments IV-VI. Seg- 

 ment VII with 10-17 (average 14) f.s. and 4-6 (average 5-3) h.s. ; some of the posterior h.s. 

 usually longer than rest. Ventral setae : 16-21 (average 17), 14-26 (average 20), 11-25 

 (average 16), 12-23 (average 16), 8-17 (average 11) and 5-12 (average 9) f.s. on segments 

 II-VII respectively ; usually one h.s. on each side on segments III-IV and 4 on each of seg- 

 ments V-VII. 



Segment VIII with a weak tergite and transverse sternite ; caudal extension forming a 

 sclerotized cylindrical lobe with a large, weakly reticulated, membranous cicatrix posteriorly 

 on the lobe ; glandular pouch with 2 long, pointed setae, whose protruding part is 4f— 6 times as 

 long as section within pouch. Small IXth tergite present. Ante-anal setae : usually 2 strong 

 h.s. Posterior margin with 2-3 (average 2-9) h.s. on each side. 



Genital segment. Penial sheath of medium length, about \ total body length (ratio 1 : 4-8- 

 5-1, average 4-9), 274-308 (average 296) y. long and 30-34 (average 32) y. wide ; lateral sclero- 

 tizations narrowly joined anterior to anus ; length of basal rod about i£ times that of aedeagus 

 and extending anteriorly from base of aedeagus for about f-f of the distance to the apex of the 

 basal membranous area ; apex of sheath with a small but distinct membranous extension. 

 Area from base of sheath to tip of aedeagus with 15-23 (average 20) small setae ; a cluster of 

 small sensilla occurring ventrally near apex of sheath. Aedeagus short (57-67, average 62 \i 

 long), penial sheath and basisternum longer, ratios being 1 : 4-5-5-3 (average 4-8) and 1 : 2-12- 

 2-80 (average 2-39) respectively. 



Material examined : 9 specimens, 4 from Laurus nobilis L., collected inLeningrad, 

 USSR, on 11.vi.60 and 5 from " citrus ", collected in Leningrad on 3. xi.61 ; both 

 samples received from N. S. Borchsenius. 



Genus B. sp. (near PULVINARIA) 



(Text-figs. 33 and 34) 



A moderately long, slender species with comparatively short antennae and long legs ; with 

 numerous setae covering the body and appendages. When mounted, total body length 1960- 

 2100 (average 2044) \i ; width at mesothorax 3440-3560 (average 3515) y. Wing expanse 

 3440-3560 (average 3515) fz. 



Head subconical in dorsal view ; in lateral view dorsoventrally elongated, with anterodorsal 

 bulge pronounced ; length from apex to pronotal ridge 289-308 (average 301) u., width across 

 genae 353-385 (average 366) y.. Median crest sclerotized and distinctly polygonally reticulated; 

 with numerous (10-22, average 16) fleshy dorsal head setae and 6-9 (average 7-1) hair-like ones. 

 Midcranial ridge dorsally absent ; ventrally narrow but well defined, reaching ocular sclerite 

 posteriorly, surrounding area showing distinct polygonal reticulation. Genae large, sclerotized, 

 with polygonal reticulation ; each with 12-24 (average 17) fleshy and 3-8 (average 46) hair- 

 like genal setae. Eyes : two pairs, subequal ; corneae of dorsal eyes 27-30 (average 28) jx in 

 diameter and 1-5-2-3 (average 1-9) times as much apart ; those of the ventral eyes 27-30 

 (average 29) u. in diameter and 1 -o-i -8 (average 1 -4) times as much apart. Ocellus small. 



