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Dilta sp. Archaeognatha, single shot Archaeognatha,Dilta,Jumping Bristletail,Machilidae,Microcoryphia,biodiversity,insecta,insects Click/tap to enlarge Promoted

Dilta sp.

Archaeognatha, single shot

    comments (3)

  1. View Flown Kimmerling's profile
    Flown Kimmerling
    Lion
    View Lion class
    WOAH!!! SO cool! I can't say that I've seen a bristletail in person! Posted 6 years ago, modified 6 years ago
  2. View Pudding4brains's profile
    Pudding4brains
    Lion
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    Nice!! :o)
    With the very short antennae and tail appendages it should be some Dilta sp. From what is visible of the ocelli under the eye it would seem to also fit that ID, having small square/round ocelli placed under the _outside_ lower corner of the eye.
    Compare with this Dilta:
    Dilta collage Some Dilta sp. found at the bottom of sandstone cliffs near Rouen, France.<br /> Dilta are fairly strongly hunchbacked and have very short antennae and tail appendages (cerci and epiproct). The eyes are somewhat shaped like very cool sunglasses (low, straight, wide) and the dark squarishly rounded ocelli are placed under the lower outside corners of the eyes. Dilta,France,Geotagged,Jumping Bristletail,Machilidae,Microcoryphia

    The other typical configurations are these:
    Little triangle under inside of eye for Trigoniophthalmus:
    Trigoniophthalmus alternatus head Slightly smaller than Machilis germanica and fairly uniform in the colour pattern of the scales. Eyes are evenly brownnish and the triagngular black ocelli are placed under the central corners of the eye (on the "nose"). Geotagged,Jumping Bristletail,Machilidae,Microcoryphia,Netherlands,Trigoniophthalmus,Trigoniophthalmus alternatus

    Shoe-sole shaped stretching under the full width of the eye for many other genera:
    Machilis germanica with head detail The Jumping Bristletail species Machilis germanica has two distinct colour forms, one with a wide dorsal band, the other more uniformly mottled. The eyes are mottled too and the ocelli below the eyes are red and shoe sole shaped. Geotagged,Jumping Bristletail,Machilidae,Machilis,Machilis germanica,Microcoryphia,Netherlands


    From the top of my head I seem to remember that there would be various Dilta spp in your area, making it hard to go further with the ID without microscopic examination, but I will check again later.

    P.S. Yes, I was afraid of that - way too many species of Dilta on the Iberian peninsula and I only have descriptions for a few of them ... sorry ...
     Posted 6 years ago, modified 6 years ago
    1. View RMFelix's profile
      RMFelix
      Lion
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      Thanks so much, Arp for all the info*
      I will put this Order under my radar, they are so fascinating indeed!
      Cheers*       Posted 6 years ago

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By RMFelix

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Uploaded Dec 12, 2018. Captured Nov 30, 2018 16:22.
country flag of Portugal Explore Portugal 1,947 873 0
  • D-LUX 5
  • f/2.5
  • 1/100s
  • ISO200
  • 5.1mm