294 



? Subgroups 2.2.1. + 2.2.3.: (35) Membranous basal part 30 of hook hla extensive, hla 

 rather deeply retractable (SG2.: 30 very narrow, hla hardly retractable) (36) Base of hla 

 in middle part of left ventral wall of left complex (SG2.: Base of hla in anterior left ventral 

 ? Subgroups 2.2.2. + 2.2.3.: (37) Anterior and posterior parts of region L41 far separated 

 (SG2.2.: Anterior and posterior parts of L41 separated but articulated in A5; BM: L41 

 undivided) (38) Utmost right-anterior part of region L41 absent (BM: Utmost right-anterior 

 part of L41 present) (39) Region L4d directed to the left (SG2.2.: L4d directed anteriad; 

 BM: L4d directed to the right or right-anteriad) (29)? Muscle 110 present // Muscle 14 

 divided into anterior and posterior (= 110) bundle and posterior bundle shifted posteriad 

 to common sclerotisation of pda and paa (BM: 110 absent // 14 undivided and inserted on 

 L41 left-anterior to sclerotisation of paa and pda) (33)? Muscle s2 extremely reduced 

 (SG2.: s2 moderately reduced; BM: s2 not reduced and as strong as si). 

 Subgroup 2.2.1.: (40) Membranous part of pne-wall on left side (BM: Membranous part 

 of pne-wall dorsal or right-dorsal) (41) Region Llm plate-like, articulation A2 very broad 

 (BM: Llm ribbon-hke, A2 narrow) (24)! Region Lla level (BM: Lla hood-shaped). 

 Subgroup 2.2.2.: (42) Right-ventral part of sclerite L4K missing (SG2.2.: Right- ventral 

 part of L4K present) (43) Process nla absent (SG2.: nla present) (44) Right insertion of 

 muscle 12 on top of pouch pne (BM: Right insertion of 12 in left wall of pne) (45) Left 

 insertion of muscle 12 on anterior left edge of left complex, on sclerite L4K and region 

 L41 (BM: Left insertion of 12 in posterior two thirds of left edge of left complex, on region 

 L41) (46) Anterior face of pouch pne and sclerite LI plateau-like (BM: Anterior face of 

 pouch pne and of sclerite LI pointed or ridge-like) (47)?! Muscle s2 absent (SG2.2.: s2 

 extremely reduced; SG2.: s2 moderately reduced; BM: s2 not reduced and as strong as 

 si). 



Subgroup 2.2.2.2.: (48) Sclerite L8 present (BM: L8 absent) (49) Sclerite L7 present 

 (BM: L7 absent) (50) Muscle 111 present (BM: 111 absent) (51) Muscle 112 present (BM: 

 112 absent) (52) Muscle sl2 present (BM: sl2 absent) (53) Region L4a bearing dorsal s3- 

 insertion present (BM: L4a absent, dorsal s3-insertion on membrane) (54) Left insertion 

 of muscle 12 on anterior left edge of left complex, anterior to sclerite L4K and region L41 

 (SG2.2.2.: Left insertion of 12 on anterior left edge of left complex, on L4K and L41; BM: 

 Left insertion of 12 in posterior two thirds of left edge of left complex, on L41) (55) Pouch 

 Ive almost reaching left edge of left complex (BM: Ive by far not reaching left edge of 

 left complex) (56) Muscle s7 absent (SG2.: s7 present) (25)! Muscle 11 absent (BM: 11 

 present) (47)?! Muscle s2 absent (SG2.2.: s2 extremely reduced; SG2.: s2 moderately 

 reduced; BM: s2 not reduced and as strong as si). 



Subgroup 2.2.2.2.2.: (57) (Dorsal part of) Sclerite L4K in posteroventral part of hla-base 

 (SG2.2.2.: L4K in dorsal part of hla-base; SG2.2.: Dorsal part of L4K left-dorsal to hla- 

 base) (58) Muscle 114 absent (SG2.: 114 present) (59) Region L4x bearing left 12-insertion 

 present (BM: L4x absent) (60) Left insertion of muscle 12 in left anterior ventral wall of 

 left complex, on region L4x (SG2.2.2.2.: Left insertion of 12 on anterior left edge of left 

 complex, anterior to L4K and L41; SG2.2.2.: Left insertion of 12 on anterior left edge of 

 left complex, on L4K and L41; BM: Left insertion of 12 in posterior two thirds of left 

 edge of left complex, on L41) (61) Lobe Iba present (BM: Iba absent) (62) Sclerites R2 



