466 DRAGOXFLIES FROM AUSTRALIA AND TASMANIA, 



9. Total length, 43; abdomen, 31; foreiving, 38*5; hindwing, 

 37*5 mm. Very similar to ^, but differing as follows : — 



Wi7igs broader, anal loop of hindwing larger, with 7 or more 

 cells; pterostigma of hindwing 2-5 mm. Black markings on 



wings much larger and more con- 

 spicuous; hindwing with two black 

 spots on Sc between base and 

 nodus. Abdomen subcylindrical, 

 broader, except 9-10, which are 

 narrowed. Markings much as in 

 male, but those of seg. 7 very 

 small ; 8, with two very small 

 spots only; 9-10, black, very small, 

 Text-fig. 5.^ seated upon 8 in the manner shown 



in Text-fig. 5. t Oinposiitor as described in generic definition, 

 black. A])})endages 0"5mm., straight, black. (Text-fig.5). 



Types in Coll. Tillyard (Cradle Mt., N.W. Tasmania, taken 

 in CO})., January 18th, 1917). 



Hab. — Small swamps on the watersheds around Cradle Mount- 

 ain, altitude 4,000 feet.l Only seen in two localities, from which 

 about forty specimens were taken; of these, all but six were 

 males. Mr. G. H. Hardy, of the Tasmanian Museum, also cap- 

 tured a single male at Flowerdale Creek, near Wynyard, Tas., in 

 January, 1916. This male is slight!}' larger and more heavily 

 marked than the Cradle Mountain series. 



The insect flies fairly rapidly over the swamps, frequently 

 settling on the reed-stems. Owing to its rich black and lemon- 



* End of abdomen of Syntheiniopsis gomj^homacromididef^, n.g. et sp.. 9 : 

 a, lateral view; Ji, dorsal view; ( x 10) : Jir, bristles; <■, anal appendages; 

 pa, anterior processes of ovipositor; pnu median processes of ovipositor; 

 8-10, abdominal segments. 



t In some other females captured, the position of segs. O-IO was not 

 quite so abnormal. 



X The first specimen of this insect taken was captured at Cradle Mount- 

 ain by Professor T. T. Flynn, of Hobart, in December, 191o. When it 

 came into n\y possession in June, 1916, it was badly crushed. It was this 

 discovery that led me to visit the locality. 



