Idactus coquereli (Fairmaire, 1890)
[= Dichostathes Coquereli Fairmaire, 1890]
[= Idactus iranicus Breuning, 1975]

Subfamilia: LAMIINAE  /  Tribus: ANCYLONOTINI
Idactus coquereli

[Photo © David Navrátil, click on the picture for 4K resolution]

Idactus coquereli, a species occuring in Arabian Peininsula and East Africa, has been described from Eritrea as Dichostathes Coquereli by Léon Marc Herminie Fairmaire in 1890 [✧]. I. iranicus, decribed by Stephen Breuning from Iran in 1975 [❖] is currently considered synonym with I. coquereli [✳]. I. coquereli is a highly variable species in terms of coloration, size and antenna length. I. coquereli is a nocturnal species and occasionally comes to light. Adults can rather be collected on their host plants at night.

Body length:8 – 13.5 mm
Life cycle:1 year [?]
Adults in:May – July
Host plant:polyphagous in broadleaf trees
Distribution:United Arab Emirates, Iran, Oman, Saudi Arabia, Africa (Ethiopia, Somalia, Djibouti, Kenya)


Depicted mounted beetles were:

  • ♂A+♀A – reared from larva/pupa found in Jatropha dhofarica in wadi 2.5 km NW Rakhyut (N16°45′12″ E53°23′56″; 30 m a.s.l., Dhofar governorate, Oman) on September 28, 2025;
  • ♂B – collected in Wādī an Nu‘mān (20 km W of At Taif/ اَلطَّائِفُ‎; N21°16′2″ E40°13′15″; 820 m a.s.l., Mecca province, Saudi Arabia) on March 15–29, 2023;
  • ♀C – collected and using a light trap in wadi 10 km SW Al Jarda (N22°59′4″ E58°5′36″; 587 m a.s.l., Ash Sharqiyah governorate, Oman) on March 9, 2023.

The depicted living beetle was reared from larva feeding in Jatropha dhofarica in Wadi Athawq (13 m a.s.l.; 2 km NW of Maghsail beach, Dhofar Governorate, Oman) in September 2018.

Collected by David Navrátil, Petr Kabátek, Martin Fiala and Jan Pelikán

[✧]
Fairmaire L.M.H.:
Note supplémentaire sur les Coléoptères d'Obock.
Annales de la Société Entomologique de France, Paris 10 (6): 547-554, 1890. [download pdf icon]

[❖]
Breuning S.:
Ergebnisse der Bhutan-Expedition 1972 des Naturhistorischen Museums in Basel Coleoptera: Fam. Cerambycidae - Lamiinae.
Entomologica Basiliensa 1: 335-365, 1975. [download pdf icon]

[✳]
Adlbauer K.:
Neue Arten und neue Synonymien von Cerambyciden Afrikas und der arabischen Halbinsel (Coleoptera, Cerambycidae).
Les Cahiers Magellanes 23: 77-86, 2016. [download pdf icon]

Ambrus R., Grosser W.:
Contribution to the knowledge of longhorn beetles from Dhofar region in sultanate of Oman (Coleoptera: Cerambycidae).
Humanity Space International Almanac 1 (2): 448-457, 2012. [download pdf icon]


Idactus coquereli - lateral view
[Photo © David Navrátil, click on the picture for 4K resolution]
Idactus coquereli - genitalia

Male genitalia of Idactus coquereli (Fairmaire, 1890) in detail: A. aedeagus, B. lateral lobes, C. subgenital plate.
[Photo © David Navrátil]


Idactus coquereli
Idactus coquereli
[Photo © Jan Pelikán]


 
SubfamiliaLamiinae Latreille, 1825
TribusAncylonotini Lacordaire, 1869
GenusIdactus Pascoe, 1864
SpeciesIdactus coquereli (Fairmaire, 1890)