16 PBOCEEDINGS OF THE NATIONAL MUSEUM. «... 05. 



anteriorly on each area with two n.inute hai.-s and posteriorly below 

 eh tinizations with a long thin seta. Immed>ately below and not 

 separating the presternal ar«.s, a suboval single ai-ea bearing two 

 seteT This suboval area is a preeusternal subdivision of eustenium 



■Tentral intersegmental region between protliorax and mesothoraK 

 and between mesothorax and metathorax, membranous composed of 

 d^tintrpost-sternellar and preepipleural ai^as but with indistinct 



''":!-ax wiih eusternun, (en, fig. 20) large, subtriangular; with 

 prdiypopleural clUtinization (A.), large and strong, internal y ad- 

 iacent to ventral intersegmental region; sternellum {si), well de 

 letotl somewhat smaller than eusternum, forming with eustemun 

 rSCral region; poststernellum (.) transv.^ so-what 

 sDindled-shaped; prothoracic tergal region (fig. 14) tiansvei-sCj^uo 

 ouadrTte wi?h anL-ior and posterior margins as mentioned abore; 

 ^Tt b" k of anterior margin and also near PO^'enor niar^n a t„„. 

 verse row of long, thin haii^, latei-al margin with few scattered hairs 

 M^othonix and metathorax with large subtriangiilar pi-eeusternal 

 ^Sns (p.") bearing a few short hairs," and with V-shaped en- 

 tl^nal (^e«) regions-rnear anterior part of prehypopleural chitin.z - 

 tons A) three small hairs; pi^sternal areas not demarkated. P.e- 

 hy" peural chitini.ations (k) -" developed; posthypoph>u™l^e^^^ 

 tinlation (K) very small, not to be ^nfused ^J'* the adj=i ™t 

 rather laro-e, oval chitinization in the articulating skin of the ie 

 ::x : rathei: distant; stemelhim anterioriy ^-^'^-^.^^'IZZ: 

 noststernelhim of metathorax not present; preepipleuium of mcso 

 rCx and metathorax (..) subtriangular, the former carrying fo.t 

 thoracic spiracle, the latter the i-udimentary spiracle; median area 

 o^ ISeurum ( ) of both segments well developed, postepipleunmi 

 (!) Si mesohoracic and metathoracic tergal shields (*e, fi^. 



ai-rano-ed as on prothoracic shield. v j • i e^mp 



'■"C"!; "p'..rp":";.S'*d,v,.l«n .. ro.,e,„um .„.l. .«d l.dl.UnC. 



