Ki;i.LÜGU, MALLOl'IIAGA. 51 



tliorax witli flatly coiivex sicles \\itliout hairs except tvvo long ones in eacli postero- 

 lateral angle; other haivs along the nearly sti'aight posterior niargin; entire segnicnt 

 black brown. Metathorax with dorsuni extending as a sort of flap or lobe posteriori}- 

 over the first part of second^ abdominal segment; this lobe deeply angularly emargina- 

 ted at middle of posterior margin; postero-lateral angles each with group of four or 

 five short spines and two or three long hairs, a single long hair rising from each of 

 the two postero-median angles madc by the emargination; entire segment blackish- 

 brown. Abdomen with nearly parallel sides from first to eight Segments; Segments 

 2 to 6 with many short strong spines along lateral margins and in postero-lateral 

 angles : segments 7 to last with very long hairs rising from postero-lateral angles ; all 

 Segments except last tAvo with lateral and separate median transverse brown blotches 

 last two Segments almost whoUy brown. 

 KiUmandjaro : Kibonoto and Useri. 



('i)l|M>('e|)liiiluiu orcas ii. sp. 



(I'l. 7. ti- ,s.) 



Numerous males and fcmales from Herodias alba, EphippiorliijncJius sencgdlcu.sis 

 and the dove AplopeUa larvata (straggler?). In shape and general markings much like 

 Piaget's zehra from Ciconia alba, biit male with posterior end of abdomen tjuite dif- 

 ferent and female with noticeable diffei'ences in the markings. 



Male, length 2.i m.m., width O.hi; m.m.; rather long liead, body verj^ narrow 

 at suture between pro- and mesothorax, posterior margin of abdomen broadly truncate, 

 even a little concave, and body nearly whoUy cov^ered and colored by the dark-brown 

 transverse abdominal bands. Head, length 0.5 mm., width Om mm.; clypeal front 

 flatly rounded, ocular emarginations deep. temples broad and angular, occipital margin 

 concave; strong black ocular blotches connected by broad black-brown longitudinal 

 bands with larger black occipital blotches. Prothorax with strongly produced lateral 

 angles bearing three spines; two strong hairs on each postero-lateral angle; whole 

 segment pale brown; sutiire between pro- and mesothorax very narrow. Metathorax 

 with sides rapidly di verging posteriorly, and bearing a series of about 8 short spines; 

 one strong spiny hair in each postero-lateral angle; whole segment brown, paler 

 anteriorly. Abdomen tapering a little posteriorly, with last segment broadly truncate, 

 even a little concave behind; numerous spiny hairs along lateral and posterior margins 

 of Segments, and single very long hairs arising from postero-lateral angles; all Seg- 

 ments broadly banded transversely with brown, leaving only the sutural Spaces uncolored. 



Fetnale, with head and thorax like male, but abdomen tapering more sharply 

 from before back; widest at segment 3; posterior segments very narrow, the whole 

 abdomen giving the Impression of great slenderness and of being pointed posteriorly; 

 transverse abdominal bands entirely crossing segments 1 and 2, but bx'oken in two 

 in the middle on segments 3—8 leaving an uncolored space in the center of which 

 appears a small quadrangular blotch, paler than the lateral blotches; last segment 

 with narrovvly rounded posterior margin thickly set with spines and short hairs. 



Kilimandjaro-Meru: Natron Lakes. 



