94 ANNALS OF SCOTTISH NATURAL HISTORY 



able egg-laying habit of this species is well known. The $ ? 

 cluster together, lay their eggs and die. The cluster, which is 

 continually receiving new accessions and may contain thou- 

 sands of dead flies, is attached to boughs overhanging streams. 

 The larvae hatch out and fall into the water. The above field- 

 note may refer to this peculiar habit. 



SYMPHOROMYIA CRASSICORNIS, Pz. 2 $, 6, Comrie, 7, vii. '07. 

 "At rest on palings" (C.). 



CHRYSOPILUS CRISTATUS, F. (Formerly in our list as C. auratus, 

 F.) A common species. Found especially near water. The 

 $ $ outnumber the $ . Taken chiefly in July. Blackford 

 Hill ; Bonally near Colinton ; Musselburgh ; Longniddry ; 

 Aberlady ; Aberdour ; St. Boswells ; Loch Tay ; Aberfoyle ; 

 Comrie; Blairgowrie ; also in June 1906 at Uig, Skye. 



PTIOLINA ATRA, Staeg ( = nigra, Ztt.). 21 and 24, v. '04, on each 

 occasion a single , Luffness, Aberlady. " By sweeping the 

 herbage of marshy pools" (W.). The first British records. In 

 addition to these specimens Mr. Verrall records it from 

 Brodie (Elgin), Bonhill (Dumbartonshire), and Porthcawl 

 (Glamorgan), apparently a rare species. 



SPANIA NIGRA, Mg. $, St. Fillans, Perthshire, 16, vii. '07. 

 "Taken by sweeping under trees near the Loch" (C.). This 

 is the ? referred to by Mr. Verrall in his. description, " I 

 have had only one good specimen before me for examination," 

 p. 318. 



TABANID^E. 



H^EMATOPOTA PLUviALis, L. The " cleg," sometimes a pest at 

 midsummer. Our records range from April to September. 

 We have the $ from Aberlady, Aberfoyle, Comrie, Blair- 

 gowrie, and Jura; and the $ from Whiting Bay, Arran (i); 

 and Hirta, St. Kilda (common). 



H. CRASSICORNIS, 117i//>g. Several ? ? at Aberfoyle, July 1901 

 and 1903. No doubt often passed over through its resemblance 

 to the previous species. 



THERIOPLECTES DISTINGUENDUS, Verr. Several ? $ , Aberfoyle, 

 July 1901, 1903, 1904. ?, Comrie, 18, vii. '07. " $ given 

 me by Mr. Godfrey. Taken before 1901. No data. Perth- 

 shire ?" (W.). Hitherto not separated from T. so/stittalis, Mg., 

 under which name the Aberfoyle specimens were recorded in 

 "E.M.M." 1905, p. 163, and again in " A.S.N.H.," 1904, p. 32. 



ATYLOTUS FULVUS, Mg. ?, Aberfoyle, 3, vii. '01. A rare species. 

 Banchory is the only other Scotch locality given by Mr. Verrall. 



TABANUS SUDETICUS, Zeller. " c? and ? , the latter dated ' 8, 

 vii. '01.' The <$ was received from Mr. Godfrey and probably 



