Ichnea opaca (Klug, 1842)

Opitz, Weston, 2010, Classification, Natural History, and Evolution of the Epiphloeinae (Coleoptera: Cleridae). Part VIII. The Genera Acanthocollum Opitz, Stegnoclava Opitz, and Ichnea Laporte, The Coleopterists Bulletin (mo 9) 64, pp. 1-65 : 41

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https://doi.org/ 10.1649/0010-065X-64.mo4.1

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Ichnea opaca (Klug, 1842)


Ichnea opaca (Klug, 1842)

( Figs. 89, 151 View Figs , 172 View Figs , 182 View Figs ; Map 5 View Map 5 )

Enoplium opacum Klug, 1842: 377 . Cayenne. Lectotype ♂. Herein designated (ZMHB). ( Specimen point mounted, gender label affixed to paper point; support card; locality label; specimen number label-58868; type label; historical collection label; ZMHB acronymic label; lectotype label; identification label; plastic vial containing aedeagus.) The locality label pinned to the lectotype notes two localities, “Cayenne Bug.” And “Surin. Cordua”. I interpret this to mean that Klug based his description on specimens from two localities, Cayenne (= French Guiana) and Suriname. However, no other specimens of this species are in the ZMHB collection. I have chosen the first country listed on the locality label as the type locality and have restricted the type locality as noted above.

Paralectotypes. As noted above, syntypes were probably used to describe this species, but none have been located.

Diagnosis. The transverse pronotum and more ovoid body form will conveniently distinguish members of this species from those of I. divisa , the only other known species in the opaca species-group.

Description. Size: Length 9.1 mm; width 3.5 mm. Form: Oblong subovoid. Integumental color ( Fig. 89): Cranium yellow brown, antennae missing; pronotum yellow, with red spot at side; elytra dark brown, legs missing. Head: HW/PW 0.94; frons indented; EW/VW 2.0; antenna as in Fig. 171 View Figs , funicle not compressed. Thorax: PL/PW 0.94; elytra subovoid, EL/PL 4.8; EL/EW 2.0; protibial spine in- formation not available. Male genitalia: Aedeagus as in Fig. 182 View Figs .

Variation. Size: length 6.5–9.1 mm; width 2.2– 3.4 mm. The size of the red spots on the pronotum varies to the extent that the spots become confluent at the center of the pronotal disc.

Natural History. Specimens have been collected from January through March, June, August, October, and November; some were taken in a Malaise trap. One specimen was captured on a log of Eschweilera sagotiana Miers ( Lecythidaceae ).

Distribution. The distribution extends from French Guiana to Brazil ( Map 5 View Map 5 ).

Specimens Examined. In addition to the primary type, 18 specimens were studied. FRENCH GUIANA: Cayenne: Guyane, Regina, Montagne de Kaw pk 42, 17-VII-1997, Malaise trap, J.A. Cerda; Park 72, 23-I-1-II-1995, E. Giesbert & F. Hovore. GUYANA: Masaruni-Potaro, Ikuribisi, X-1948 - III-1949, on Eschweilera sagotianum, D. J. Atkinson : Rupununi, Iwokrama Forest, Kabocalli Field station, 4°17′4″N 58°30′35″W, 4-VI-2001, 60 m, R. Brooks & Z. Falin. BRAZIL: Amapá, Amapari, Tucano, 14-XI- 1993, 100 m Malaise trap, F. F. Ramos. Specimens are deposited in FSCA, JNRC, SEMC, and WOPC.

incerta species-group

These ichneans have a deeply indented frons. The single species that comprises this group is known only from the environs of the Brazilian Amazon.