7(5 I March, 1910 



Epitriptus cingulatus, F. — Twitchen ; taken by Dr. Dixey, August 9th — 

 12th, 1897, also by myself, JiUy 20th, 1908. 



Machirmis atricapillus. Fin. — One at Twitchen, Axxgvist 22nd, 1907 ; another 

 at Barnage, July 3rd, 1908. 



BOMBTLID^. 



Anthrax paniscus, Rossi. — This pretty fly, so suggestive of a tiny Hemaris 

 J'ucifonnis, L., has occurred at Twitchen, but is commoner on the sand-hills at 

 Woolacombe, July 27th — September 10th. [Also on Braunton Burrows, Sep- 

 tember 10th, 1907]. 

 Therevid^. 



Thereva nobilitata, F. — Woolacombe sand-hills Augtist 2ith, 1906 [Vention, 

 George Ham parish, Jiily 21st, 1909]. 

 Empid.*:. 



Empis tessellata, F. — Abundant, May 28th — July 19th. I have frequently 

 captured it with prey, viz., Dilophus febrilis, L. ; Bibio marci, L. ; Hylemijia sp. 

 $ ; Mydsea sp, (? ;* a <? with Lucilia csesar, L. ; and a <J with Syrphus ribesii, L. 

 E. livida, L. — Twitchen, Woolacombe ; nearly as common as the last, especially 

 in the third week of July ; two sijecimens with prey (vmnamed flies). E. punc- 

 tata, Mg., Twitchen, Borough, May 28th — June 1st. 



Pachynieriafemorata,F. — Twitchen, flying in numbers under beech-trees. 

 May 29th ; a ? at Twitchen watched sucking honey from Scabiosa arve^isis, 

 July 24th. 



DOLICHOPODID^. 



Bolichopus ? xneus, Deg. — Twitchen garden, Jidy 25th, 1909. 



Syrphid^. 



Liogaster metallina, F. — Three females at Twitchen, May 29th, 1909. 



Chrysogaster splendens, Mg. — Twitchen, on flowers of Angelica, August 25th 

 — September 19th, 1909 ; C. solstitialis. Fin., common on Umhelliferse, July 20th — 

 August 6th, 1909. 



CMlosia variabilis, Pz. — Twitchen, several on flowers and leaves, end of 

 July, 1909. C. honesta. End., a ? at Twitchen, August 13th, 1909. C. illustmta, 

 Hai-ris. common, sometimes abundant, on Eagwort and Umbelliferse, May, July, 

 Au'^'ust ; a faii'ly good mimic of Bomb^is sylvarum, L., the two occvir together, 

 sometimes even on the same flower-head. C. albitarsis, Mg., one at Twitchen, 

 May 29th, 1909; C.fraterna, Mg., one at Twitchen, August 9th, 1909; C. ber- 

 genstammi, Beck., two <? , one ? , Twitchen, August 13th — 2oth, 1909. ; C. velu- 

 tina, Lw. Of this recent addition to the British fauna I took a ^ near 

 Twitchen on the flowers of Ohserophyllum sylvestre, August 17th, 1909. Mr. 

 Verrall detected it among some troublesome little Syrphids, which he was good 

 enouo-h to name for me ; C cijnocephala, Lw., one at Twitchen, May 29th, 1909. 



Platychirus manicatus, Mg. — Females only, May, August, September ; 

 P. scutatus, Mg., one (?, two ? , Twitchen, August 7tli — 9th. ; P. albimanus, F., 

 common the sexes in equal nvimbers, July 2-ith — September 20th ; P. clypeatus, 

 Mo-., one (J, three i^ , Augi\st 7th — September 19th. 



* See PouLTON, Trans. Ent. Soc. Land., 190o, pp. 3S1, 3S2. 



