BY AltTIIUPv WHITE, 227 



Tahh of the Tasmdniaii Spf.cie>< of Hilaropu^. 



1. Small, delicate species ; abdomen in the male with- 



out lateral tufts of stiff bristles. 2 



Large, robust species; abdomen in male with 



lateral tufts of stiff bristles. 3 



2. Legs brown; anterior tarsi in male with first joint 



moderately dilated ; anterior tibi?e with apex 

 bare; abdomen bare. Pallidifurca, Sp. nov. 



Legs black ; anterior tarsi in male with first joint 

 considerably- dilated, and anterior tibiae with 

 apex bearing long hairs ; abdomen hairy. 



NrGRiMANus, Sp. nov. 



3. Male with thorax velvet-black, abdomen covered 



with blue tomentum ; female with thorax joale 

 grey, flushed above with red, and bearing four 

 black stripes; halteres yellow. Peregrinus, Sp. nov. 

 Male with thorax velvet-black ; abdomen dull 

 black with white tomentose side-spots; halteres 

 black. EcHiNATuSj Sp. nov. 



lIlLAROPUS PALLIDIFURCA, Sp. UOV. (Fig. 42a.) 



Thorax and abdomen dark brown; legs light brown; 

 anterior tibije with apex bare; wings with the veins faint, 

 particularly the upper branch of the cubital fork; hal- 

 teres pale brown. 



Length. Male, 4 mm. ; female, 4.5 - 5.5 mm, 



Hab. Bagdad Valley. 



Male. Face and front brown. Eyes separated. Pro- 

 boscis in length nearly twice the height of head. Antennae 

 dark brown, slightly longer than the head, the first joint 

 twice the length of the second, the third about as long as 

 the first two together, and terminated by a style which 

 is about half its length. Thorax brown, unstriped, with 

 short anterior and long posterior bla.ck bristles ; scutellum 

 with four long marginal bristles; metapleura wdthout 

 bristles. Legs entirely light brown ; all femora and tibice 

 practically bare ; anterior tarsi with the first joint length- 

 ened and moderately thickened, and bearing on its outer 

 margin a fringe of long hairs ; middle and posterior tarsi 

 simple. Wings long, pale brown ; mediastinal vein 

 straight, and ending abruptly at a short distance below tlie 

 costa; cubital fork long, the upper branch ver}^ faint, as 

 are also the veinlets closing the discal cell outwardly; anal 

 vein curved, and not reaching the wing-margin ; halteres 

 pale brown. 



Female resembles the male closely, but the wing-veins 

 are rather more distinct; all the tarsi are simj)le, and the 

 abdomen is produced into a long oviiDOsitor. 



R 



