.MASON ; LINCOLNSHIRE HEMIPTERA-HETEROPTERA. 



291 



Byrsoptera rufifrons Fall. Well; several, 13th August, 1887 

 (C. O. Waterhouse). Also at Muckton Wood ; one, 3rd August, 

 1885. 



Dicyphus globulifer Fall. Well Vale, on low herbage or on 



Lychnis diurjia; four, 3rd June, 1888; several, i6th June, 1888. 

 Dicyphus constrictus Boh. Well ; two - — one undeveloped. 

 This species hitherto has been recorded only for Perth, N.B., 



where it occurred on Symphytum. Here it was beaten from 



ash, willow, or low herbage in a small holt. 

 Malacocoris chlorizans Block. Well ; abundant on hazel and 



ash, loth September, 1885. Rigsby-with-Ailby ; one, 30th 



September, 1887. 

 Orthocephalus saltator Hahn. Mablethorpe (T. V. Wollaston, 



Brit. Hem., 431). 



Orthotylus bilineatus Fall. Not yet recorded for the Alford 



district. At Muckton ; plentiful on aspen {Poptilus tremiila), 



3rd August, 1885. 

 Orthotylus striicornis Kirsch. Well Vale; off ash, three, 22nd 



September, 1886. Rigsby-with-Ailby ; one, 13th September, 



1886. 



Orthotylus prasinus Fall. Well Vale ; several, probably off ash, 

 8th and 30th July, 1885. 



Orthotylus diaphanus Kirsch. Well ; ash, four, 29th Sept., 1886. 



Orthotylus nassatus Fab. Rigsby-with-Ailby ; one, 9th August, 



1886. Also at Muckton; a few, 3rd August, 1885. 

 Orthotylus tenellus Fall. Well Park; oak, two, 13th July, 1887. 

 Orthotylus bicolor D. cS^ S. Rigsby-with-Ailby; on furze {Ulex 



europcBus)^ one, 13th September, 1886. 



Asciodema obsoleta D. & S. Rigsby-with-Ailby; on furze, under 

 a willow, two, 13th September, 1886. 



Heterotoma merioptera Scop. Common. Alford, Rigsby-with- 

 Ailby, Well, Mumby Chapel. Also at Muckton. 



Phylus melanocephalus Linn. Rigsby-with-Ailby; one, 28th 

 June, 1886. Also at Muckton; some, 3rd August, 1885. 



Phylus palliceps Fieb. Well Vale; hazel, two, 30th July, 1885. 

 Rigsby-with-Ailby; maple, 2nd August, 1885. 



Phylus avellanae Schiiff. Well Vale; two, 30th July, 1885. 



Psallus ambiguus Fall. Alford ; abundant on apple {Pyriis 

 malus)^ 9th July, 1885. Well Vale; plentiful on oak, 3rd July, 

 1887 ; some on the same, loth September, 1887. 



Oct. 1888. 



