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Gresley W1 LNER No. 10000 on the London King’s Cross turntable in 1931. W1 No. 10000 (known as the ‘Hush-Hush’ due to its secrecy) was a one-off experimental steam locomotive fitted with a high pressure water-tube boiler.

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Coen Krom @coenkrom.bsky.social · 17h

At first, I thought I saw a bird... A huge Convolvulus Hawkmoth (Agrius convolvuli) in the neighbourhood. I have never seen an insect of this size before. Windepijlstaart. #ElkeDagEenInsect

Convolvulus Hawkmoth (Agrius convolvuli), Assendelft, September 28, 2026.

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Coen Krom @coenkrom.bsky.social · 01/10/2026

Lunar Underwing (Agrochola lunosa) in my garden. Maansikkeluil. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 30/09/2026

German Wasp (Vespula germanica) in my garden. Duitse wesp. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 29/09/2026

The ivy flowers in my garden attract many bees, wasps, hoverflies, and flies. Klimopbloemen. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 28/09/2026

Hr. Ms. Hertog Hendrik in the port of Den Helder, shortly before departing for the Dutch East Indies. The Netherlands, 1918.

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Coen Krom @coenkrom.bsky.social · 28/09/2026

Brick Cap (Hypholoma lateritium) at Park Vijversburg, Tytsjerk, Friesland/Fryslân, September 26. Rode zwavelkop. #Fungi

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Coen Krom @coenkrom.bsky.social · 28/09/2026

Flower Fly (Syrphus spec.) at the Dekemastate, Jelsum, Friesland/Fryslân, September 26. Bandzweefvlieg. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 27/09/2026

Fly Agaric (Amanita muscaria) at Park Vijversburg, Tytsjerk, Friesland/Fryslân, yesterday. Vliegenzwam. #Fungi

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Coen Krom @coenkrom.bsky.social · 27/09/2026

Hummingbird Hawk-moth (Macroglossum stellatarum) at the Dekemastate, Jelsum, Friesland/Fryslân. Kolibrievlinder. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 26/09/2026

Peacock Butterfly (Aglais io) in the neighbourhood, yesterday. Dagpauwoog. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 25/09/2026

A horde of wild mushrooms (Agaricus spec.) in the neighbourhood. Een horde wilde champignons.

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Coen Krom @coenkrom.bsky.social · 25/09/2026

Stanier Princess Coronation Class BR (ex-LMS) No. 46240 ‘City of Coventry’ on the Royal Scot express at Glasgow Central Station, late 1950s.

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Coen Krom @coenkrom.bsky.social · 25/09/2026

A secret rendezvous… Marmalade Hoverflies (Episyrphus balteatus) in the neighbourhood. Snorzweefvliegen. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 24/09/2026

Broad-banded Aphideater (Eupeodes latifasciatus) and probably a Sweat Bee (Lasioglossum spec.) in the neighbourhood, yesterday. Gele kommazweefvlieg en waarschijnlijk een groefbij. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 23/09/2026

Wall brown (Lasiommata megera) in the neighbourhood. Argusvlinder. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 22/09/2026

Broad-banded Aphideater (Eupeodes latifasciatus) in the neighbourhood, yesterday. Gele kommazweefvlieg. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 21/09/2026

Seed Bugs (Orsillus depressus) in my garden. Cypresbodemwantsen. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 20/09/2026

Common Earwig (Forficula auricularia-gr.) in my garden. Gewone oorworm. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 19/09/2026

Honey Bee (Apis mellifera) in my garden. Honingbij. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 19/09/2026

Amsterdam Central Station locomotive depot in 1932. Photograph: Willem van de Poll

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Coen Krom @coenkrom.bsky.social · 18/09/2026

Yellow-barred Pond Fly (Sericomyia silentis) in my garden. Gele veenzweefvlieg. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 18/09/2026

Express locomotive type Eb 3/5 SBB (ex-SCB) No. 5891, ca. 1902. Photograph: Georg Wilhelm Hecklau

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Coen Krom @coenkrom.bsky.social · 17/09/2026

Marmalade Hoverfly (Episyrphus balteatus) in the neighbourhood. Snorzweefvlieg. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 16/09/2026

“Just chilling.” European Paper Wasp (Polistes dominula) in the neighbourhood. Franse veldwesp. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 15/09/2026

Field Digger Wasp (Mellinus arvensis) with prey in my garden. Gewone vliegendoder met prooi. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 14/09/2026

Twin-spot Centurion (Sargus bipunctatus) in my garden. Herfstmetaalwapenvlieg. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 13/09/2026

Tiger Crane Fly (Nephrotoma scurra) in my garden. Bruine tijger. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 12/09/2026

Hanging out. Brown-lipped Snail (Cepaea nemoralis) in my garden. Zwartgerande tuinslak.

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Coen Krom @coenkrom.bsky.social · 12/09/2026

Mottled Shieldbug (Rhaphigaster nebulosa) on my window. Grauwe schildwants. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 11/09/2026

A NS Series 3700 (possibly No. 3731) leaving Amsterdam Central Station in 1933. Photograph: Willem van de Poll

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Coen Krom @coenkrom.bsky.social · 11/09/2026

Common Snout (Rhingia campestris) in the neighbourhood. Gewone snuitvlieg. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 10/09/2026

Great Green Bush-cricket (Tettigonia veridissima) in the neighbourhood. Grote groene sabelsprinkhaan. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 09/09/2026

A honeybee (Apis mellifera) attacked a weak buff-tailed bumblebee (Bombus terrestris) on my patio. The honeybee left, and the bumblebee died shortly afterwards. Honingbij en aardhommel. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 08/09/2026

Tiger Marsh Fly (Helophilus pendulus) in the neighbourhood. Gewone pendelzweefvlieg. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 07/09/2026

Long-winged Cone-head (Conocephalus fuscus) in the neighbourhood, yesterday. Zuidelijk spitskopje. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 06/09/2026

Harlequin Ladybird (Harmonia axyridis) in the neighbourhood. Aziatisch lieveheersbeestje. Unfortunately, the mower has been to this location. Way too soon. Not a plant or flower to be seen anymore. Sad. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 05/09/2026

Kalymnos and Patmos in 1987. Photographs of a summer holiday.

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Coen Krom @coenkrom.bsky.social · 05/09/2026

Common Flower Fly (Syrphus spec.) in the neighbourhood. Bandzweefvlieg. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 04/09/2026

Perhaps the Red-cracking Bolete (Xerocomus chrysenteron sl., incl. bubalinus, cisalpinus, declivitatum, porosporus) in the neighbourhood. Misschien roodsteelfluweelboleet. #Fungi

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Coen Krom @coenkrom.bsky.social · 04/09/2026

Škoda ČSD (Československé státní dráhy) No. 387.042 between 1950 and 1960. Forty-three of these 2,100-horsepower (1,570 kW) pacific locomotives were built by Škoda Works, Plzeň in five series between 1926 and 1937. They were intended for the heaviest long-distance express trains.

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Coen Krom @coenkrom.bsky.social · 04/09/2026

Field Digger Wasp (Mellinus arvensis) in my garden. Gewone vliegendoder. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 03/09/2026

Stripe-backed Brusheye (Dasysyrphus albostriatus) in the neighbourhood. Bretel-wimperzweefvlieg. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 02/09/2026

Marmalade Hoverfly (Episyrphus balteatus) in the neighbourhood, yesterday. Snorzweefvlieg. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 01/09/2026

Long-legged Fly (Dolichopus spec.) in my garden. Slankpootvlieg. #ElkeDagEenInsect

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Coen Krom @coenkrom.bsky.social · 31/08/2026

Green-veined White (Pieris napi) in the neighbourhood. Klein geaderd witje. #ElkeDagEenInsect

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