Species Recorded
| Taxon |
Scientific Name |
Common Name |
Records |
Latest |
| alder fly, lacewing or snake fly |
Xanthostigma xanthostigma |
a Snake Fly |
3 |
2013 |
| ant, bee, wasp, sawfly or ichneumon (and others) |
Xenolytus bitinctus |
an insect - hymenopteran |
1 |
2008 |
| ant, bee, wasp, sawfly or ichneumon (and others) |
Xestophanes potentillae |
a gall wasp |
1 |
2016 |
| ant, bee, wasp, sawfly or ichneumon (and others) |
Xiphulcus floricolator |
an insect - hymenopteran |
1 |
2002 |
| ant, bee, wasp, sawfly or ichneumon (and others) |
Xiphydria camelus |
Alder Wood-wasp |
1 |
1999 |
| ant, bee, wasp, sawfly or ichneumon (and others) |
Xorides gravenhorstii |
an ichneumon wasp |
1 |
2008 |
| ant, bee, wasp, sawfly or ichneumon (and others) |
Xyalaspis petiolata |
a small parasitic wasp |
5 |
2003 |
| ant, bee, wasp, sawfly or ichneumon (and others) |
Xylocopa (Xylocopa) violacea |
Violet Carpenter Bee |
1 |
2020 |
| beetle |
Xantholinus (Purrolinus) tricolor |
a rove beetle |
1 |
1969 |
| beetle |
Xantholinus (Xantholinus) linearis |
a rove beetle |
8 |
2016 |
| beetle |
Xantholinus (Xantholinus) longiventris |
a rove beetle |
19 |
2017 |
| beetle |
Xestobium rufovillosum |
Death Watch Beetle |
3 |
1993 |
| beetle |
Xyleborinus saxesenii |
an Ambrosia Beetle |
2 |
2016 |
| beetle |
Xyleborus monographus |
an Ambrosia Beetle |
2 |
2015 |
| beetle |
Xylocleptes bispinus |
a bark or ambrosia beetle |
4 |
2003 |
| bird |
Xema sabini |
Sabine's Gull |
6 |
2012 |
| bug |
Xanthodelphax straminea |
a planthopper |
1 |
2009 |
| bug |
Xylocoris (Proxylocoris) galactinus |
Hot Bed Bug |
1 |
1900 |
| bug |
Xylocoris (Xylocoris) cursitans |
a flower bug or bloodsucking bug |
2 |
2002 |
| fish |
Xiphias gladius |
Swordfish |
3 |
1984 |
| fungus |
Xanthoriicola physciae |
a fungus |
2 |
2008 |
| fungus |
Xerocomellus engelii |
a fungus |
4 |
2014 |
| fungus |
Xerula pudens |
a basidiomycete fungus |
9 |
1999 |
| fungus |
Xerula radicata |
a fungus |
17 |
2011 |
| fungus |
Xerula radicata |
Rooting Shank |
103 |
2014 |
| fungus |
Xylaria carpophila |
an ascomycete fungus |
61 |
2018 |
| fungus |
Xylaria hypoxylon |
Candle-snuff Fungus |
339 |
2019 |
| fungus |
Xylaria longipes |
Dead Moll's Fingers |
45 |
2016 |
| fungus |
Xylaria polymorpha |
Dead Man's Fingers |
126 |
2018 |
| lichen |
Xanthoparmelia mougeotii |
a lichen |
3 |
2017 |
| lichen |
Xanthoria |
a Xanthoria lichen (unidentified) |
5 |
2018 |
| lichen |
Xanthoria aureola |
a lichen |
1 |
2014 |
| lichen |
Xanthoria calcicola |
a lichen |
11 |
2019 |
| lichen |
Xanthoria elegans |
a lichen |
1 |
1998 |
| lichen |
Xanthoria fulva |
a lichen |
1 |
2019 |
| lichen |
Xanthoria parietina |
Common Orange Lichen |
156 |
2019 |
| lichen |
Xanthoria ucrainica |
a lichen |
2 |
2010 |
| moth or butterfly - macro moth |
Xanthia togata |
Pink-barred Sallow |
87 |
2017 |
| moth or butterfly - macro moth |
Xanthorhoe biriviata |
Balsam Carpet |
1 |
2013 |
| moth or butterfly - macro moth |
Xanthorhoe designata |
Flame Carpet |
489 |
2019 |
| moth or butterfly - macro moth |
Xanthorhoe ferrugata |
Dark-barred Twin-spot Carpet |
201 |
2018 |
| moth or butterfly - macro moth |
Xanthorhoe fluctuata |
Garden Carpet |
3446 |
2019 |
| moth or butterfly - macro moth |
Xanthorhoe fluctuata subsp. fluctuata |
a Garden Carpet |
5 |
2007 |
| moth or butterfly - macro moth |
Xanthorhoe fluctuata subsp. thules |
a Garden Carpet (dark f.) |
1 |
2010 |
| moth or butterfly - macro moth |
Xanthorhoe montanata |
Silver-ground Carpet |
975 |
2019 |
| moth or butterfly - macro moth |
Xanthorhoe montanata subsp. montanata |
a Silver-ground Carpet |
5 |
2014 |
| moth or butterfly - macro moth |
Xanthorhoe quadrifasiata |
Large Twin-spot Carpet |
12 |
1995 |
| moth or butterfly - macro moth |
Xanthorhoe spadicearia |
Red Twin-spot Carpet |
858 |
2019 |
| moth or butterfly - macro moth |
Xanthorhoe spadicearia/ferrugata |
a moth |
1 |
2009 |
| moth or butterfly - macro moth |
Xestia agathina |
Heath Rustic |
6 |
2009 |
| moth or butterfly - macro moth |
Xestia baja |
Dotted Clay |
14 |
2014 |
| moth or butterfly - macro moth |
Xestia castanea |
Neglected Rustic |
1 |
2013 |
| moth or butterfly - macro moth |
Xestia c-nigrum |
Setaceous Hebrew Character |
3959 |
2019 |
| moth or butterfly - macro moth |
Xestia ditrapezium |
Triple-spotted Clay |
42 |
2017 |
| moth or butterfly - macro moth |
Xestia sexstrigata |
Six-striped Rustic |
288 |
2018 |
| moth or butterfly - macro moth |
Xestia stigmatica |
Square-spotted Clay |
3 |
2006 |
| moth or butterfly - macro moth |
Xestia triangulum |
Double Square-spot |
1052 |
2019 |
| moth or butterfly - macro moth |
Xestia xanthographa |
Square-spot Rustic |
3000 |
2019 |
| moth or butterfly - macro moth |
Xylena exsoleta |
Sword-grass |
3 |
1981 |
| moth or butterfly - macro moth |
Xylena vetusta |
Red Sword-grass |
25 |
2018 |
| moth or butterfly - macro moth |
Xylocampa areola |
Early Grey |
1340 |
2020 |
| plant |
Xanthium spinosum |
Spiny Cocklebur |
4 |
2009 |
| plant |
Xanthium strumarium |
Rough Cocklebur |
4 |
2000 |
| plant |
Xanthocyparis nootkatensis |
Nootka Cypress |
3 |
2000 |
| spider |
Xysticus |
a Xysticus species (unidentified) |
5 |
2016 |
| spider |
Xysticus acerbus |
a crab spider |
1 |
2019 |
| spider |
Xysticus cristatus |
a crab spider |
85 |
2016 |
| spider |
Xysticus erraticus |
a crab spider |
7 |
2000 |
| spider |
Xysticus kochi |
a crab spider |
9 |
1999 |
| spider |
Xysticus lanio |
a crab spider |
2 |
2012 |
| spider |
Xysticus ulmi |
a crab spider |
1 |
1994 |
| true fly - |
Xanthochlorus |
a Xanthochlorus species (unidentified) |
2 |
2006 |
| true fly - |
Xanthogramma |
a Xanthogramma species (unidentified) |
2 |
2016 |
| true fly - |
Xylophagus ater |
a fly |
1 |
1998 |
| true fly - hoverfly |
Xanthandrus comtus |
a hoverfly |
5 |
2014 |
| true fly - hoverfly |
Xanthogramma citrofasciatum |
a hoverfly |
21 |
2019 |
| true fly - hoverfly |
Xanthogramma pedissequum |
a hoverfly |
109 |
2019 |
| true fly - hoverfly |
Xylota segnis |
a hoverfly |
112 |
2019 |
| true fly - hoverfly |
Xylota sylvarum |
Golden-tailed Hoverfly |
33 |
2019 |
| true fly - hoverfly |
Xylota tarda |
a hoverfly |
1 |
1992 |
| true fly - hoverfly |
Xylota xanthocnema |
a hoverfly |
2 |
2004 |
| true fly - picture-winged, conopid or stilt-legged fly |
Xyphosia miliaria |
a gall fly |
9 |
2016 |
| true fly - robber, empid or dolichopid fly |
Xanthochlorus luridus |
a dolichopodid fly |
4 |
2006 |
| true fly - robber, empid or dolichopid fly |
Xanthochlorus ornatus |
a dolichopodid fly |
1 |
2000 |
| true fly - robber, empid or dolichopid fly |
Xanthochlorus tenellus |
a dolichopodid fly |
1 |
1995 |