Preliminary List of the Aquatic Coleoptera of Co. TyroneAuthor(s): W. M. CrawfordSource: The Irish Naturalists' Journal, Vol. 6, No. 10 (Jul., 1937), pp. 256-257Published by: Irish Naturalists' Journal Ltd.Stable URL: http://www.jstor.org/stable/25532735 .

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256 The Irish Naturalists' Journal. [Vol. VI.

PRELIMINARY LIST OF THE AQUATIC COLEOPTERA OF CO. TYRONE.

By W. M. Crawford, B.A., F.R.E.S., F.Z.S.

Only two water beetles have, so far, been recorded for Co.

Tyrone?Haliplus flavicollig and H. fluviatilis. These will be found mentioned in Johnson and Halbert's list (R.I.A. Proceedings, 1902), pp. 593 and 594.

Long motor drives, with comparatively short spells of collect

ing, have made the compilation of a long list somewhat difficult. Mv collecting was restricted to six separate davs, viz., 26th

August, 29th and 30th September, 1936; 13th and 20th May, and 15th June, 1937. The work was chiefly done in the south eastern corner of the county in the low lands adjoining the shores of Lough Neagh, the principal places examined being the Torrent

River, the Coal island Canal, and numerous stagnant drains. The

September captures were mostly made in bogs in the hilly central

part of the county.

The numbers in roman figures, in brackets, indicate the months in which each specimen was met with.

An asterisk denotes that the identification has been confirmed

by Professor F. Balfour-Browne, for whose help and interest I am very grateful.

For completeness I have added the record of the 1902 list, which I did not secure. The complete list shows a total of fifty one species.

Haliplus obliquus Fab. (vi), 'ruficollis de G. (v, viii, ix), flavicollis Sturm (List of 1902),

* fluviatilis Aube (v, viii), *immaculatus Gerh.

(viii), 'wehnckei Gerh. (v, viii), *lineatocollis Marsh, (v, viii, ix). Noterus *clavicornis de G. (v, vi, viii), *capricornis Herbst. {sparsus

Marsh) (ix). Laccophilus *variolosus Herbst. {obscurus Panz.) (v, ix).

Hyphydrus *ovatus L. (v, vi, viii). Hygrotus *inaequalis Fab. (v, vi, viii, ix), ''quinquelineatus Zett.

(viii, ix). Deronectes *assimilis Pk. (v), 'depressus Fab. (v). Hydroporus *pictus Fab. (vi, viii), 'lepidus 01. (ix), *lineatus Fab.

(viii), *umbrosus Gyll. (v, vi), *gyllenhali Schiodte (v, vi, ix), 'striola Gyll. (vittuia Er.) (v, viii, ix),

* palustris L. (v, vi, viii),

"erythrocephalus L. (v, vi, ix), * obscurus Sturm (vi, ix),

* pubescens

Gyll (v, viii, ix), *tessellatus Drap. {lituratus Brulle) (v, vi).

Agabus *paludosus Fab. (v), *sturmii Gyll (v, vi), bipustulatus L.

(v, vi, ix). Ilybius fuliginosus Fab. (vi), ater de G. (vi),

* obscurus Marsh, (v, vi).

Itanius exoletus Forst. (viii, ix). Dytiscus marginalis L. (v), male and female. Acilius canaliculars Nic. (v), one female only. Gyrinus *minutus Fab. (v, ix), *natator L. var. substriatus Steph,

(V, vi), *marinus Gyll (v).

Hydrobius fuscipes L. (v, vi, ix).

Philhydrus 'frontalis Er. {nigricans Zett.) (v, vi), *coarctatus Gredl.

(v*. vi). Anacaena globulus Payk. (vi, ix), *limbata Fab. (vi, viii, ix). Laccobius *minutus L. (viii). Limnebius truncatellus Thunb. (ix).

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July, 1937.] The Irish Naturalists' Journal. 257

Helophorus aquaticus L. (v, vi), * viridicollis Steph. (vi, ix), *griseus

Herbst. (v), 'brevipalpis Bedel, (v, vi). Octhebius 'impressus Marsh, [pygmaeus Brit, auct.) (v). Hydraena 'riparia Kug. (v).

58 Marlborough Park S., Belfast. 16-64937.

NEWS OF THE SOCIETIES.

BELFAST NATURALISTS' FIELD CLUB.

The summer session opened with the usual week-end excursion, from 7th to 9th May, the place selected being Co. Donegal, with head

quarters at Bundoran. Representatives were present from all the five Clubs affiliated to the parent Club in Belfast. It took three hotels in Bundoran to accommodate the party. On this occasion the usual

whole-day excursion was to Bally shannon and Donegal town, returning by Rossnowlagh. At Ballintra a halt was made to visit the under

ground caves formed by the action of water on the Carboniferous limestone, very similar to those at the Marble Arch, near Enniskillen.

W. Ross Henderson, J.P., who acted as conductor for the day, gave interesting historical and antiquarian talks. On the second day the excursion was to Glenade, a great gorge in the mountains, embosoming

a lake of considerable size, the conductor being Dr. R. LI. Praeger. This visit was to the habitat of the rarer alpine plants, and it is pleasant to record that all formerly noted were again found.

The second field excursion of the session was one of the popular Tuesday evening outings, on 11th May, which took the form of a walk along the Lagan river and canal for botany and zoology ; J A. S. Stendall conducted.

On 22nd May, a whole-day excursion was held to Loughgall and

Armagh. At the former place the ancient bawn of the Cope family was visited, as well as the crannoge in the lake. Among the

interesting antiquities inspected was the "Stone of Deirdre," outside

Armagh city. After tea the county museum was visited, a beautiful

building, in the classical style, and a well arranged interior, con

taining many objects of great antiquarian interest. The Curator

(T. G. F. Paterson), who had acted as conductor for the day, welcomed the members of the Field Club, and paid a tribute to the

honorary adviser (J. A. S. Stendall), who was largely responsible for the arrangement of the exhibits. Before leaving, the thanks of the

members were conveved to Mr. Paterson by the President of the Club

(A. Albert Campbell, F.R.S.A.L). On! 1st. June, another Tuesday evening excursion was held, to

Bel voir Park, now rapidly changing, its sylvan glades being encroached on by the advancing city, though much remains to interest the nature lover. The conductors were Miss W. J. Sayers and J. A. S. Stendall.

A whole-day excursion was held on 6th June to Glenshesk, one of the most beautiful of the Antrim glens, if the wildest. This was a

joint excursion with the Route Club, the meeting place being at

Annoy. The well-known Round Tower there is probably one of the earliest erected, as shown by its masonry and the character of the arch over the doorway. At Bonamarghy the members had lunch,

and afterwards the Honorary Secretary gave a talk on this Franciscan foundation. The building is now preserved under the Ancient Monu

ments Act. Next, a visit was made to a promontory fort, near

Fairhead, which at the time wTas being excavated by Professor Gordon

Childe, of Edinburgh University. Dr. Childe described the work done on the investigation of this fort, but so far had not ventured to assign a period to its erection, as further investigation was required.

J. SKILLEN, Secretaries GRAHAM SKILLEN.

Hon* =>ecretaiie?.

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