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

Agrionympha karoo Gibbs, 2011

(zoological nomenclature: valid name, available)

General information:

Agrionympha karoo Gibbs, 2011: 11-12.
Type locality: South Africa, Eastern Cape, Great Karoo near Graaff Reinet
Type: Holotype : South Africa, Eastern Cape, Great Karoo near Graaff Reinet, Swart River Valley, SW slope of Toorberg, 32 11S, 24 03E, 1607 m, 9 Feb 2004, G.W. Gibbs & D.M. Kroon, male genital prep. G 1024, in coll. TMP

Synonyms, misspellings, wrong determinations, etc.:
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Habit:

Description of adults: Examined: Description by Gibbs & Kristensen (2011). Forewing length: 2.5 mm, 2.6 mm; Vestiture of hair-like scales on head white with grey tips; antennae black troughout, 36 flagellomeres in male, basal 1 or 2 with black scales, 28 flagellomeres in female, basal 8 with scales; hair-like scales on scapus and pedicellus black; thorax and tegulae black with coppery reflections; sides of thorax silvery-white; forewings dark grey with coppery shimmer with all 4 silvery-white bands present, bordered with black scales: a slightly crescentic oblique claval mark; a strongly kinked continuous median band, widest at costa, interrupted on R and M by thin lines of black scales, most prominent in female; a near-straight postmedian line, broad, uninterrupted in male but with black scales along M in female; an equally broad subapical line; apex black; hindwings dark grey; forecoxa dark grey anteriorly but with a few silver scales laterally; femora pale grey with dark band distally; tibia and tarsi entirely black except for a pale grey band on midtarsomere.

Distribution:

The species is known only from the type locality in South Africa, in Eastern Cape, near Graaff Reinet at 1600 m a.s.l. (Gibbs & Kristensen 2011, Kurz & Kurz 2020).

Biology:

The species flies on the the rocky bank of a stream, where the limited humidity allows the growth of thallose liverworts, mosses and ferns in an otherwise hot and arid environment. The imagines are active in the morning between 6.30 to 7.00 am, while dew still remained on the vegetation. This ecological specialization is ununsual among micropterigids, which normally occur on moist places associated with woods (Gibbs & Kristensen 2001). The imagines were found in February (Kurz & Kurz 2020).

Anatomy:

   
-genitalia: South Africa, Toorberg -genitalia, aedeagus: South Africa, Torberg    
Picture from: Gibbs & Kristensen 2011
Detailed view
Picture from: Gibbs & Kristensen 2011
Detailed view
   

genitalia. "Sternum VIII remnants roughly trapezoidal, bearing about 6 small setae. Anteroventral margin of IX sclerotisation extended into a very broad rounded apex, markedly thickened but not darkened. Median plate tapering to a sharp point, unevenly sclerotised with a central keel. Valvae of moderate length (ratio length:width 3.8), angled upwards and distinctly elbowed on mesal aspect in ventral view. A row of about 11 hair-sensillae on the membraneous dorsum of IX. Phallus moderately elongate, ratio length:height 4.5; aedeagus with a constricted neck region in dorsal view; gonopore moderate, slightly less than half width of phallus at lappets, heart-shaped with its proximal border raised on a prominence; ventral bulb large" (Gibbs & Kristensen 2011).

postabdomen and genitalia. Not investigated.

Diagnosis:

The wing markings with complete median and postmedian fasciae are unique among the genus (Gibbs & Kristensen 2011).

Worth knowing:

Sources:

Gibbs, G. W. & N. P. Kristensen 2011. Agrionympha, the long-known South African jaw moths: a revision with descriptions of new species (Lepidoptera, Micropterigidae). Zootaxa 2764: 121 [accessed via http://plazi.org on 2020.07.09].
Kurz, M. A. & M. E. Kurz 20002020. Naturkundliches Informationssystem. URL: http://www.nkis.info [online 2020.07.09.].

Publication data:

history:
Kurz Michael: 2020.06.30
Kurz Michael: 2020.07.01
Kurz Michael: 2020.07.09
Kurz Michael: 2020.07.21
not reviewed

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