i89i.i 263 



ANNOTATED LIST OF BRITISH TACHINIIDM. 



BY R. U. MEADE. 



(Continued from page 232). 



16.— CHETOLYG-A, End. 



Nemok^a, pt. Mgn., Mcq., Schn. 



Oen. eh. — Eyes tairj, more or less approximated in the males, 

 and prolonged to near the bottom of the sides of the head and face ; 

 antenna? drooping, second joint elongated, and more than half the 

 length of the third ; cheeks hairy ; chin short ; facialia nearly or quite 

 bare ; abdomen without discal setae on the middle segments ; hind 

 tarsi of females not dilated. 



1 (2) Anal eegments black 1. awccwa, Mgn. 



2 (1) Anal segments red. 



3 (6) Thorax with five stripes. 



4 (5) Antennae with third joint widened, and second abdominal segment with four 



marginal dorsal bristles 2. analis, Mcq. 



5 (4) Antennse with third joint narrow, and second abdominal segment with only 



two bristles 3. nigrithorax. Egg. 



6 (3) Thorax with four stripes 4. quadrij)ustulata,F. 



C. AM^NA, Mgn. 



JSf. exacta, Wlk. 



Eyes of male approximated ; antennae black, with the third joint rufous at the 

 base, and about one and a half times as long as the second ; cheeks thinly clothed 

 with fine black hairs ; palpi red ; thorax black, thickly coated on front and sides 

 with white pubescence, and marked upon the dorsum with five distinct longitudinal 

 striae ; also having four external dorso-central bristles behind the transverse groove ; 

 scutellum rufous ; abdomen black, with sides red in the male, and marked in both 

 sexes with broad tessellated irregular white bands ; anal segments black ; legs black, 

 tibiae sometimes piceous. Rare ; found by Mr. Harwood, of Colchester, who kindly 

 sent me a female ; it is also in Mr. Verrall's collection, who possesses the typical 

 specimen named N. exacta by Walker. 



C. ANALIS, Mcq. 



cruentata ?, End. 

 Eyes sub-approximate in the males, and not very widely separated in the 

 females ; cheeks yellow or white, and glistening, having brown reflections, and fur- 

 nished with fine black hairs ; fronto-orbital bristles long and numerous, being very 

 thickly set and rather irregular in the males ; antennae rather long, the second joint 

 being about two-thirds of the length of the third joint, which is somewhat dilated, 

 especially in the females ; arista long, and thickened for half its length ; palpi 

 rufous ; thorax shiny blue-black in the male, with a little grey or tawny pubescence 

 on the sides and front margin, and marked with five rather indistinct longitudinal 

 stripes; the female has the stripes much more distinct, and the lliorax clothed with 



