Eltxo grimaldii, PEÑALVER & ARILLO & NEL, 2022
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publication ID |
https://doi.org/ 10.11646/palaeoentomology.5.5.7 |
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publication LSID |
lsid:zoobank.org:pub:70EB2402-2833-46F1-9244-E7BFEFA564D8 |
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DOI |
https://doi.org/10.5281/zenodo.7383860 |
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persistent identifier |
https://treatment.plazi.org/id/8A273D67-2B1B-4798-A67B-5D2E8AFE245B |
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taxon LSID |
lsid:zoobank.org:act:8A273D67-2B1B-4798-A67B-5D2E8AFE245B |
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treatment provided by |
Plazi |
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scientific name |
Eltxo grimaldii |
| status |
sp. nov. |
Eltxo grimaldii View in CoL sp. nov.
( Figs 1 View FIGURE 1 , 2 View FIGURE 2 )
LSID: urn:lsid:zoobank.org:act:8A273D67-2B1B-4798-A67B-5D2E8AFE245B
Holotype. Specimen ES- 07-40 , female, housed at the Institutional Collection from the El Soplao Cave (Government of Cantabria), Celis, Cantabria, Northern Spain. It is virtually complete but lacking the apices of the two antennae and distal parts of all the legs except one of the metathoracic legs, due to the limits of the amber fragment that contains it. The specimen is in a small fragment of amber, 4 × 3 × 1 mm in size, and embedded in a regular prism of epoxy resin, 23 × 9 × 1 mm in size, for optimal viewing and curation. No syninclusions were detected.
Etymology. Honoring Dr David Grimaldi (AMNH), for his relevant contributions on fossil insects and amber.
Diagnosis. Female. The new species differs from the only species described, Eltxo cretaceus (which was based on a unique male), by the following features: distal section of R 1 vein elongate, vein M present in a short basal part and evanescent, arculus vein contacting M very basal and CuA vein contacting wing margin distad level of basal section of Rs.
Locality and horizon. Middle Albian amber outcrop of Rábago-El Soplao (near Rábago village, Cantabria, northern Spain), Peñosas Fm. ( Najarro et al., 2009, 2010).
Description. Female ( Figs 1 View FIGURE 1 , 2 View FIGURE 2 ). Body length ca. 1.1 mm. Antennae with only scape, pedicel and 4–5 flagellomeres preserved due to limits of amber fragment ( Figs 1D View FIGURE 1 , 2A View FIGURE 2 ): preservation of flagellomeres preventing identification of potential sensoria. Ocelli absent. Palpi three-segmented and elongate ( Figs 1E View FIGURE 1 , 2B View FIGURE 2 ), with palpomeres subequal, distal palpomere slightly longer than others, palpomeres 2.5 times longer than wide; other mouthpart structures obscure. Wing 1.11 mm long, 0.45 mm wide. Wing venation reduced ( Figs 1F View FIGURE 1 , 2C View FIGURE 2 ). C extending beyond Rs with a clear end. Apex of R1 at half wing lenght.Apex of Rs meeting C just beyond wing apex. Sc preserved. Basal section of Rs slightly evanescent. Vein M present in a short basal part and evanescent. Vein CuA unforked and evanescent at its apex; apex of CuA well distad level of basal section of Rs. Arculus present, with distal half evanescent, contacting M very close to separation of M and CuA. Wings with dense microtrichia and sparse macrotrichia. Wing margin with setae in costal margin and macrotrichia in posterior margin (but only very few of them still visible) ( Fig. 1B, C View FIGURE 1 ). Distal portions of legs not preserved due to limits of the amber fragment, except to a complete metathoracic leg, which is long and setose, with five tarsomeres; tarsomere 1 longer than 2 ( Figs 1H View FIGURE 1 , 2D View FIGURE 2 ). All tibiae lacking tibial spurs. Pretarsal claws short and with a small basal prolongation with rounded apex; empodium insconspicuous ( Fig. 1G View FIGURE 1 ). Abdomen 0.56 mm long (up to the cerci apices). Genitalia obscure, but long ovipositor (0.20 mm); contour of the cerci well visible in lateral view.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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