N A T U R K U N D L I C H E S   I N F O R M A T I O N S S Y S T E M

Micropteryx uxoria Walsingham, 1919

(zoological nomenclature: synonym, available)

General information:

Micropteryx uxoria Walsingham, 1919: 11-12.
Type locality: Italy, Sicily, Taormina
Type: Lectotype : Italy, Sicily, Taormina, 1918.05.01, leg. Walsingham, in coll. BMNH, London

Synonyms, misspellings, wrong determinations, etc.:
The taxon Micropteryx uxoria Walsingham, 1919 is presently treated as junior subjective synonym of Micropterix erctella Walsingham, 1919 (syn. nov.). The synonymy is based upon examination of the lectotypes of both taxa. Corresponding type designations have been proposed by Heath already, but are published here for the first time.

Habit:

   
: Sicilia, Mistretta, 900 m, 1952.06.11, leg. J. Klimesch, coll. Zoologische Sammlung des Bayrischen Staates, Munich : Sicilia, northern coast, Cefalù, 1982.04.22, leg. Klimesch, coll. Zoologische Sammlung des Bayrischen Staates, Munich    
Picture from: Kurz Michael
Detailed view
Picture from: Kurz Michael
Detailed view
   

Scheme of wing pattern:

Description of adults: Examined: 2 [incl. colour-slides of the lectotype], 4 . Forewing length: 3.2 mm; 4.0 - 4.4 mm. Head black-brown; vestiture of hair-like scales on the head dirty to rusty yellow; antennae dark brown, bronzy golden shining, nearly 9/10 (), respectively, 3/5 () of forewing length; thorax bronzy to reddish golden, distally purple to purple violet, partly mixed with blueish scales; tegulae bronzy golden to purple, distally coppery to blueish; forewings slightly purple at the base of costa, partly also along costa and outer margin; forewings otherwise bronzy to reddish golden with silvery-white, distinct markings: A narrow, straight to slightly inwardly bent fascia at nearly 1/4; at 1/2 a narrow, slightly outwardly bent fascia across the whole wing width; an elongate spot at 3/4 from costa, inwardly oblique towards middle of wing; sometimes a small costal spot at 2/3; fringe light bronzy golden, at its basis partly tinged purple, whitish outwards; hindwings bronzy golden, slightly tinged purple; fringe bronzy golden, lighter outwards; legs and abdomen brown, golden shining.

Distribution:

Specimens, marked like M. uxoria are know from different localities in Sicily only. They have been found from near sea-level up to 900 m a.s.l. (Kurz & Kurz 2011). They seem to be more frequent than typical M. erctella. Koçak. & Kemal (2009) report the taxon also for the Antalya province in Turkey, but this record very probably refers to a yet undescribed species.

Biology:

Specimens of the taxon M. uxoria have been found on the wing between late April and mid June (Kurz & Kurz 2011).

Stages in development:

The early stages are unknown.

Anatomy:

-genitalia: "Ent. Ret.; TAORMINA; SICILIA; 1.V.1918", LECTOTYPE, coll. Natural History Museum, London (British Museum of Natural History) -genitalia, prep.-no. 946, M. Kurz: Sicilia, Mistretta, 900 m, 1952.06.11, leg. J. Klimesch, coll. Zoologische Sammlung des Bayrischen Staates, Munich -genitalia, prepartion in caustic potash, prep.-no. 947, M. Kurz: Sicilia, Mistretta, 900 m, 1952.06.11, leg. J. Klimesch, coll. Zoologische Sammlung des Bayrischen Staates, Munich -genitalia, perrmanent prepartion, prep.-no. 947, M. Kurz: Sicilia, Mistretta, 900 m, 1952.06.11, leg. J. Klimesch, coll. Zoologische Sammlung des Bayrischen Staates, Munich
Picture from: Kurz Michael
Detailed view
Picture from: Kurz Michael
Detailed view
Picture from: Kurz Michael
Detailed view
Picture from: Kurz Michael
Detailed view
     
-genitalia, receptaculum seminis in higher magnification, prep.-no. 947, M. Kurz: Sicilia, Mistretta, 900 m, 1952.06.11, leg. J. Klimesch, coll. Zoologische Sammlung des Bayrischen Staates, Munich      
Picture from: Kurz Michael
Detailed view
     

genitalia. Uncus moderately long; accessory clasper simple, blade-like with inflated basis; on the inner surface at the distal margin of the accessory claspers, a row of about 11 moderately long, straight to slightly bent, stout and thickened setae; proximally a second row of 5 - 6 strongly modified, very broad axe-like, as well as two longer, straight, stout and thickened setae; valves moderately long and slender, constricted medially, the spatulate distal end slightly bent upwards; valves at the inner surface postbasally with 2 - 3 thickened and several weaker setae; the distal third at the inner surface with 2 - 3 irregular rows of very short to short, stout and thickened setae.

genitalia. Tergite IX missing; sternite IX reduced, but well sclerotized, with distinct margins; papillae anales with narrow, band-like sclerotization; vestibulum big, bag-like; ductus seminalis relatively short, contorted, straight only a short distance close to the onset of the receptaculum seminis; receptaculum seminis short and slender, the proximad 2/3 slightly inflated, distinctly striated and with a small appendix proximal.

Diagnosis:

The taxon M. uxoria differs from typical Micropterix erctella Walsingham, 1919 externally by its complete and contrasting silvery fasciae. In the male genitalia however, no significant differences have been found. Reddish golden forms of Micropterix aruncella (Scopoli, 1763), having distinct silvery-white fasciae, are only separable with certainty by genitalia investigation. The same is valid also for two species from the italian mainland, i.e. Micropterix italica Heath, 1981 and Micropterix renatae Kurz, Kurz & Zeller, 1997, although the latter are allopatrically distributed to present knowledge.
In the male genitalia, M. uxoria is characterized by having only three postbasal, stout and thickened setae at the inner surface of the valves, whereas M. italica has 8 and M. renatae has more than 10. Furthermore, the whole apparatus is distinctly more slender in M. renatae than in the two other species.

Worth knowing:

Sources:

Koçak, A. Ö. & M. Kemal 2009. Revised Checklist of the Lepidoptera of Turkey. Priamus, supplement 17: 1-253.
Kurz, M. A. & M. E. Kurz 2000–2011. Naturkundliches Informationssystem. – URL: http://www.nkis.info [online 23 December 2011].
Walsingham, Lord 1919. New species of Aristotelia and Micropteryx. Entomologist´s record and journal of variation 31: 10-12.

Publication data:

history:
Kurz Michael: 2011.01.18
Kurz Michael: 2011.12.22
Kurz Michael: 2011.12.23
Kurz Michael: 2012.04.10
not reviewed

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