WATERBEETLES ESTONIA

Preliminary report on Dutch Waterbeetle expedition Estonia

Dutch Expediton 6-14 July 1999

Preliminary report August 2000 (names of collectors in square brackets, Dutch plant names in round brackets)

Localities:

1a Rain pools in road west of Vaaba Järv
(Kooraste, Kanepi community, 26º37' E.L., 57º58' N.B.) [Maurijn van der Zee, David Tempelman, Andre Nattepoot] 6 July 1999. Temporary , small rain pools on sandy forest track.

1b Forest pond west of Vaaba Järv (Kooraste, Kanepi community, 26º37' E.L., 57º58' N.B.). David Tempelman, Andre Nattepoot] 6 July 1999.

Small forest pond on sandy soil in depression in birch / coniferous wood. Deep only 30 cm. Much humus, brown water.

2 Densely vegetated canalised brook near Lokuoja (Kooraste, Kanepi community, 26º37'30" E.L., 57º58'30" N.B.) [Maurijn van der Zee, David Tempelman, Andre Nattepoot] 6 July 1999

Broad: 2 m, depth: 0.5 m. Vegetation: Equisetum fluviatile (holpijp), Scirpus sylvaticus (bosbies), Glycera maxima (liesgras).

3 Forest pond/ditch, north of bog area Meenikunno Raaba between Vinso and Nohipalu [David Tempelman, Andre Nattepoot] 7 July 1999

Size of the pond: circa 5 x 10 m. Vegetation: Nuphar lutea (gele plomp), Caltha palustris (dotterbloem), Urticularia major (groot blaasjeskruid).

4 Kamarus Järv (lake) and large lake in Meenikunno Raaba (peat bog).[David Tempelman, Andre Nattepoot] 7 July 1999

Kamarus Järv (a smallish bog lake in the east of Meenikunno Raaba): vegetation around the lake consisted of Scheuchzeria palustris, Drosera longifolia (langbladige zonnedauw), Drosera rotundifolia (rondbladig zonnedauw), Eriophorum vaginatum (éénarig wollegras), Andromeda polifolia (lavendelheide), Arctostaphylos uva-ursi (berendruif) and Sphagnum spec. (veenmos).

In the largest lake in Meenikunno Raaba very few aquatic macrofytes at sampling site were found.

5 Brook just west of Kanepi 26º45' E.L., 57º59'20" N.B. [David Tempelman, Andre Nattepoot] 7 July 1999

This brook more or less has the character of a lowland brook. Broad 5-10 m. Deep 1 m. Slow current. Clear water. Vegetation: Nuphar lutea (gele plomp), Ranunculus lingua (Grote boterbloem), Menyanthes trifoliata (waterdrieblad), Equisetum fluviatile (holpijp), and (waterscheerling).

6 Brook near Kanepi [Maurijn van der Zee] 7 July 1999. Maybe same as 5 ??

7 Brook east of Kooraste, north of Jõgehara, Kanepi community, 26º41' E.L.,57º57'50" N.B [Maurijn van der Zee (7 July 1999), David Tempelman, Andre Nattepoot (8 July 1999)]

Just west of the sampling site, the brook is dammed and so there is a pond, of about 0.5 – 1 hectare in size. The pond has very clear water, and is vegetated with lots of Nuphar lutea (gele plomp), Nympha alba (witte waterlelie), Acorus calamus (kalmoes), Lemna trisulca (puntkroos), and Potamogeton lucens (glanzig fonteinkruid) .

From the pond, the brook originates some 3 m below the surface of the pond. The brook also contains very clear water, and has a coarse sandy bottom with humus, stones and wood. Few vegetation, only some Lemna trisulca (puntkroos).

8 [David Tempelman, Andre Nattepoot] Brook, near Vohandu Järv, north-east of Jogehara, Kanepi community, 26º41'30" E.L., 57º57'45" N.B., 8 July 19998 July 1999 (Beekje met graafmachine).

Very small, 50 cm broad, 10 cm deep. No aquatic macrofytes. Emanates from a forest nearby. At sampling site no trees. Lots of Filipendula ulmaria (moerasspirea).

9 Sedge marsh, near Kooraste Palujärv. Kanepi community, 26º42' E.L., 57º59' [David Tempelman, Andre Nattepoot] 8 July 1999

Little water, but very clear and much humus. Completely vegetated with Carex and Juncus.

10 Nigula Soo [Maurijn van der Zee] 8 July 1999

11 Streams south of Vaaba Järv. [Maurijn van der Zee, Andre Nattepoot] 9 July 1999

12 Vaaba Järv (Kooraste, Kanepi community, Tartu province 26º38' E.L., 57º58' N.B.) 5-9 July 1999

Lake with clear water, maximum depth c. 7 m. Shores with reed Phragmites australis (riet). Lots of Nuphar lutea (gele plomp), Nympha alba (witte waterlelie), Potamogeton lucidus (glanzig fonteinkruid), Potamogeton perfoliatus (doorgroeid fonteinkruid), Ranunculus circinatus (stijve waterranonkel), Myriophyllum spicatum (aarvederkruid), Ceratophyllum demersum (gedoornd hoornblad) and Chara globularis (een kranswier-soort).

13 Endla National Park (peat bog) [Bert Storm] 9 July 1999

14 Seashore (Gulf of Riga) near Puhtu Ornithological station, Virtsu. [David Tempelman, Andre Nattepoot] 11 July 1999

15 ‘lagoon’/reed marsh near Virtsu [Maurijn van der Zee, Andre Nattepoot] 11 July 1999

SAAREMAA

16 Pond near Vidumää [Vincent Kalkman] 12 July 1999

17 Brook discharging into Pautsaare Laht (north west of Kihelkonna) [David Tempelman, Maurijn van der Zee, Andre Nattepoot] 12 July 1999

Brook: shallow, very clear water, stony. Galigaan (check foto), Juniperus, lepelblad, Mentha aquatica, Epipactis palustris, Scirpus lacustris. Lake full with Chara major. Tormentil, waterdrieblad, Urticularia major, Ceratophyllum emersum.

18 Baltic Sea (Pikanina Laht near Kihelkonna) [David Tempelman, Maurijn van der Zee, Andre Nattepoot] 12 July 1999

Shallow bay of the Baltic Sea. Stony shore.

19 Brook near Odalätsi. [Maurijn van der Zee, Andre Nattepoot] 13 July 1999

Brook: 5 – 10 m broad. Extremely cold water ( < 9°C).

20 Very small pools in quarry between Veere and Undva (c 15 km north of Kihelhonna) [Maurijn van der Zee] 13 July 1999

21 Brook near Kogula. [Andre Nattepoot] 14 July 1999

5 m broad, 1 m deep. No vegetation. Turbid water.

22 Small pools on the beach of Gulf of Riga near Tehumardi. [Andre Nattepoot] 14 July 1999

23 small pool near beach of Pitsi n. (What is ‘n’?) west of Kaugatuma [Andre Nattepoot] 14 July 1999

24 Riksu Järv. lake near Riksu [Andre Nattepoot] 14 July 1999

25 Brook, dras gebeuren between Kihelkonna and Kuusnömme. [Maurijn van der Zee] 14 July 1999

Beetles:

Gyrinus marinus 11

Gyrinus minutus 19

Gyrinus natator 2, 11, 15, 17, 19

Gyrinus paykulli 15, 16

Gyrinus substriatus 2, 16, 17

Gyrinus suffriani 5

Orectochilus villosus 6, 7

Halipus confinis 15, 17, 18

Haliplus cf fluviatilis 2

Haliplus cf fulvus ditch near 14

Haliplus heydeni 2

Haliplus immaculatus 15

Haliplus obliquus 17

Haliplus ruficollis 2, 7,11

Laccophilus poecilus 4, 13

Noterus clavicornis 15

Bidessus grossepunctatus 4, 10

Bidessus unistriatus 20, 24

Hydroglyphus pusillus 6

Hydroglyphus hamulatus 18

Hyphydrus ovatus 2

Graptodytes granularis 19

Graptodytus pictus 7

Suphrodytes dorsalis 25

Hydroporus angustatus 11, 15, 19, 25

Hydroporus discretus 19, 23

Hydroporus erythrocephalus 4, 17, 19, 20, 25

Hydroporus incognitus 1, 3, 19

Hydroporus melanarius 1

Hydroporus memnonius 19

Hydroporus neglectus 1

Hydroporus obscurus 4, 10

Hydroporus palustris 1, 3, 6, 10, 11, 15, 23, 25

Hydroporus planus 23

Hydroporus pubescens 19

Hydroporus striola 1, 15, 23, 25

Hydroporus tristis 1, 4, 19

Hydroporus umbrosus 3, 4, 6, 15, 19, 23

Hygrotus decoratus 6, 15

Hygrotus impressopunctatus 15

Hygrotus inaequalis 15, 17, 21, 25

Hygrotus parrallelogrammus 18

Hygrotus versicolor 10, 11

Scarodytes halensis 19

Deronectes latus 7

Porhydrus lineatus 11, 16, 17, 19, 21

Nebrioporus depressus 17, 18

Laccornis oblongus 6

Copelatus haemorrhoidalis 19

Platambus maculatus 2, 7, 8, 11

Agabus bipustulatus 19

Agabus chalconatus 19, 20, 23

Agabus congener 1, 19, 23

Agabus erichsoni 11

Agabus guttatus 8

Agabus labiatus 19

Agabus sturmii 3

Agabus subtilis 10, 19

Ilybius aenescens 3, 4, 10, 19

Ilybius ater 11, 13, 19

Ilybius crassus 3

Ilybius fenestratus 5, 7, 11, 13

Ilybius fuliginosus 2, 7, 9, 11, 19

Ilybius guttiger 4, 10, 19

Ilybius quadriguttatus 5, 6, 13, 16, 17, 19, 25

Ilybius subaeneus 7

Rhantus suturellus 19

Colymbetes fuscus 19, 25

Colymbetes paykulli 16, 19

Colymbetes striatus 16, 25

Hydaticus continentalis 19

Hydaticus seminiger 4

Graphoderus cinereus 7

Graphoderus bilineatus 12 (trap)

Acilius canaliculatus 3, 19

Dytiscus circumcinctus 15, 12 (trap)

Dytiscus dimidiatus 19

Dytiscus lapponicus 4

Dytiscus marginalis 16

Dytiscus semisulcatus 17, 19

Hydraena gracilis 11

Hydraena riparia 2, 9, 11

Limnebius crinifer 19

Limnebius parvulus 3, 19

Limnebius truncatellus 19

Ochthebius marinus 19

Ochthebius minimus 19, 20, 21, 22, 23, 24

Helophorus brevipalpis 3, 9, 19, 22, 24

Helophorus cf aequalis 2, 3, 16, 19

Helophorus flavipes 3

Helophorus granularis 2, 3, 19, 22, 24

Helophorus griseus 18

Enochrus affinis 3, 4, 10, 19

Enochrus bicolor 14, 15, 18

Enochrus coarctatus 19, 24

Enochrus melanocephalus 3

Enochrus ochropterus 4

Enochrus testaceus 3, 7, 15

Helochares obscurus 19, 24

Hydrobius fuscipes 15, 19

Cymbiodyta marginella 15

Cercyon sternalis 15

Coelostoma orbiculare 6

Laccobius bipunctatus 17

Laccobius colon 17, 24

Laccobius decorus 18

Laccobius minutus 3, 4, 5, 14, 15, 17, 20

Anacaena lutescens 1, 6, 19, 22, 23, 25

Berosus fulvus 18

Elmis aenea 21, 25

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