Ireland's Incredible Invertebrates!

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TL;DR: All things about Irish insects and invertebrates. An Irish naturalist sharing experiences, education and enthusiasm. Harvestman validator for the National Biodiversity Data Centre. Founder of https://microwild.org Call me: Brian

There was a huge amount of activity at one of my local nesting aggregations today. Andrena clarkella (pics 1 & 2) is one of the first mining bees to emerge each year. But look closely, and you might spot Nomada leucophthalma (pic 3), which is a brood parasite of A. clarkella.

Andrena clarkella femaleAndrena clarkella femaleNomada leucophthalma female

Argonemertes dendyi, a terrestrial proboscis worm from Australia, is now found across Europe. These worms capture and envenomate prey by ejecting a web-like structure from their mouths. Currently, it is in a stasis-like state, having built a cocoon to prevent drying out. Fascinating creatures! 🤯

Argonemertes dendyi, and the tip of a ball-point pen!This specimen is encapsulated in a transparent cocoon to prevent it from drying out.Argonemertes dendyi

Serendipity allowed me to catch the exact moment a tiny (1.5mm) Chthonius ischnocheles pseudoscorpion caught and ate a bark louse (Psocoptera). For some reason, I assumed it would use its palps (pincers) more, but it didn't. It just chomped away with its chelicerae (jaws).

A pseudoscorpion feasting on a bark louse

Meet Artioposthia exulans This flatworm specimen was sent to me to photograph and share it with you all. A non-native visitor to this island, it seems to be located primarily in the south-west and most likely arrived on horticultural goods, once again, highlighting the importance of biosecurity.

Artioposthia exulans, a terrestrial flatworm

I was out surveying today, Blessington lakeside, and turned a stone only to find not one but two really scarce harvestmen (and you know I liove my harvestmen). The last time Mitostoma chrysomelas was recorded in the Republic of Ireland was way, way back in 1997. Isn't it a little stunner!!!?

Mitostoma chrysomelas harvestman

There's very little that matches the excitement of finding a pseudoscorpion for me. They are so few and far between that they always warrant a mini celebration. This stunning specimen is Chthonius ischnocheles (get your tongue around that!). Have you ever seen a pseudoscorpion? Let me know...

A pseudoscorpion on a white background

A really exciting find for me this weekend in my parents' front garden. Say hello to the Nosy Pill Woodlouse, Armadillidium nasatum. This is the first record of it in the wild in Ireland (i.e. outside of a garden centre). Keep an eye out for strange things; you never know what you'll find.

Armadillidium nasatum woodlouse from the sideArmadillidium nasatum woodlouse from the front, showing its raised 'snout'.Armadillidium nasatum woodlouse - a dorsal view showing its colouration.

Every field surveyor's worst nightmare. This is an adult tick (Ixodes ricinus). Photo 1: Dormant Photo 2: It smelled my breath or felt the heat of my finger using special organs (Haller's Organ) on its forelegs and started to wake Photo 3: It tried to give me a hug 😬 Amazing creatures.

An adult sheep tick in a dormant stateAn adult sheep tick waking upAn adult sheep tick reaching out its legs in an attempt to latch on to a host

Last spider pic for a while, I promise... 👀 This beautiful Flower Crab Spider (Misumena vatia) was spotted hiding out on some Thistle flowers, waiting for an unsuspecting meal. We saw it eye up an Eristalis tenax (Drone Fly), but it opted out as the fly was quite large.

A white crab spider sitting on a thistle flower head

This Saturday, I will be in Cork for an invertebrate walk at Fota House and Gardens organised by the Irish Bee Conservation Project. If it flies, walks, crawls, or slithers, I'll find it and tell you about it. I'm really looking forward to this. Some tickets still available at: bit.ly/fotabugs

Discover Insects and Invertebrates – with Brian Murray

Join us for a fun and educational day with Entomologist Brian Murray to explore the fascinating world of insects and invertebrates!

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