:\00 Dr. C. p. Alexander on 



apparent ?• (wliich is probably the basal deflection of /?._, as 

 in the Pediciine cranc-tlies) opposite the l)asal deflection of 

 7?5 ; basal dcHectiou of CVj abont one-third its lengtli beyond 

 tlic fork of M. 



Abdomen brown. INIale hypopygiiim with the basal 

 plenral appendage large and complicated in structure, black, 

 produced into four arms ; a blunt basal arm on the mesal 

 face, its angle densely filled with erect yellow set;e ; a 

 powerful ajjical arm that is suddenly narrowed to the acute 

 tip, the outer edge of which is microscopically denticulate ; 

 between the tMO arms described arises a third arm which 

 is deeply split into two slender points, one a little stouter 

 than the other. Apical hook of the pleurite short, strongly 

 curved. 



Hub. New Zealand (South Island). 



Holuii/pe, S , ill alcohol, Governor's Bay, Banks Peninsula, 

 Canterbury, September 9, 1921 (J. IV. Cainphe//). 



Paratojio/y/ies, 2 broken c? (^ , alcoholic; paratypes,2(^ S, 

 Mt. Grey, Canterbury, November 27, 1921 {Campbell ^• 

 Lyndsay) ; 1 J*, Dunedin, November 26, 1921 (G. Howes). 



Molophilus ti/lyardl, sp. n. 



General coloration reddish brown ; head grey ; antcnnaj 

 short ; legs unhanded ; wings tinged with brown; abdomen 

 dark brown ; basal pleural appendage slender, bifid at apex. 



Male. — Length 4'2 mm,; wing 5*o-5'8 mm. 



Feniale. — Length 5'8 mm. ; wing 5-5"3 mm. 



Kostrum obscure brownish yellow; ])alpi dark brown. 

 Antennae short ; seapal segments obscure bro\\nisli yellow ; 

 flagellar segments dark brown, densely clothed with white 

 hairs. Head light grey. 



JMesonotal prteseutum reddish yellow, the median area 

 darker brown ; remainder of niesonotum reddish brown. 

 Pleura dark brown. Halteres brownish yellow, the knobs 

 dark brown. Legs with coxie and trochanters obscure 

 yellow ; femora brownish yellow ; tibi.'c and tarsi brown. 

 Wings with a faint brown tinge, the macrotriehiic dark 

 brown; veins darker brown. Venation: basal deflection of 

 Cw, at or close to the fork of M. 



Abdomen dark brown, including the hypopyginm. Male 

 hypopyginm with the basal ])]eural aj)|)en(lage slender, ter- 

 minaiing in an acicular black rod with a niicrosco])ic sjiur 

 belore U\) on the lateral face; apical appendage a powerful 

 curved hook, the apex bifid, witii a large black spine. Aj)ex 

 of pleurite slender, terminating in a slender black tubercle ; 



