322 Transactions. 
Gynoplistia speciosa n. sp. (Fig. 79.) 
9. Head shining dark brown, almost black between eyes; proboscis 
lighter; palpi dark brown. Front about one-third as broad as head. 
Scape and first few flagellar joints of antennae reddish-brown, remainder 
blackish. Flagellum eighteen-jointed, the first nine joints each with an 
appendage which is nearly four times as long as joint; most of these are 
dorsalin position, owing to twisting of antenna (as is usual in males of this 
genus, but not in females). Tenth flagellar joint with a rather shorter 
appendage, eleventh with a very short one. Thorax dark reddish-brown, 
mesonotum rather brightly shining, without markings, pleurae with grey 
dusting which appears almost silvery when seen from above. Abdomen 
shining dark brown, with faint coppery tint. Anal valves of ovipositor 
hind pair), ochreous on basal third or half; hind tibiae with conspicuous 
but ill-defined whitish ring beyond middle. Wings with faintly brownish- 
tinged ground-colour; venation and dark-brown markings as in figure. 
Sc, oblique, equal in length to Se,. Halteres ochreous, knob not darkened. 
Length of body, 18 mm. ; wing, 15 mm. 
Norra IsthAND: Wellington (G. V. Hudson, No. 16р); type female in 
British Museum. 
This is possibly only a variety of G. tridactyla ; it is also just possible 
that it may be the female of G. formosa.. 
Gynoplistia formosa Hutton. ; 
Gynoplistia formosa Hutton, Trans. N.Z. Inst., vol. 32, p. 46, 1900. 
* Abdomen metallic steel-blue, with purple reflections. Head and 
antennae dark brown. Thorax dark bronze. Le dark brown, the femora 
22-jointed, of which 3 to 17 are branched ; the last joint is small. 
Length, $ 12 mm. ; wing, 
Norta IstaND: Kaitoke (Hudson). 
Colour of thorax, abdomen, and legs normally 
own, with metallic reflections on abdomen, but some 
