Microhoria bremeri, Telnov, 2022

Telnov, Dmitry, 2022, Revisional notes on the genus Microhoria Chevrolat, 1877 (Insecta: Coleoptera: Anthicidae) from the Eastern Mediterranean and Turkey, with new descriptions, an annotated catalogue, and a key, Baltic Journal of Coleopterology 22 (2), pp. 195-312 : 211-213

Microhoria bremeri sp. nov. ( Fig. 7 , 54B ) urn:lsid:zoobank.org:act:81795D3D­582B­4B29­AF3A­A45A251F4880

Type material designated. Holotype male NME: Turkey, Adiyaman, Komur N 37 55 900; E 38 28 352, 2011­ 05­ 23 Pinaryayla & Karaman mezrasi, 30km N Hollow Quercus , trap no: 12 W T. Kayis / M. Coskun / N. Jansson [printed].

Paratype 1 male IUIT: Turkey, Adiyaman, Komur N 37 55 900; E 38 28 352, 2011­ 07­ 12 Pinaryayla & Karaman mezrasi, 30 km N Hollow Quercus , trap no: 13 W T. Kayis / M. Coskun / N. Jansson [printed] .

Etymology. Patronymic. Named for Dr. Hans Bremer (Osnabrück, Germany) – famous specialist on Laemophloeidae and Tenebrionidae .

Description. Holotype male, total body length 2.9 mm. Head 0.7 mm long, across compound eyes 0.6 mm wide, pronotum 0.5 mm long, maximum width 0.5 mm, elytra 1.6 mm long, maximum combined width 1.1 mm.Dorsum uniformly black, abdomen, tibiae and tarsi brown. Head about 1.1× as long as wide, head base rounded in one broad arc with tempora, posterior temporal angles rounded. Compound eye moderate, shorter than tempus, moderately protruding from lateral outline of head. Head dorsum subopaque, distinctly punctate. Intervening spaces smooth, as wide as to twice as wide as punctures. Dorsal cranial setae dirty yellowish, moderately long, rather sparse, appressed to subdecumbent. Antennae moderately enlarged in apical third. Penultimate antennomere distinctly transverse. Terminal antennomere elongate, pointed, about 2.5× as long as penultimate antennomere. Pronotum as long as wide, distinctly narrower than head across eyes, broadly rounded at anterior margin. Pronotal disc slightly glossy, flattened in dorsal aspect. Lateral margins strongly converging in posterior half. Latero­basal pronotal fovea broad, dorsally shallow. Punctures variable large, dense, intervening spaces narrower than to twice as wide as punctures. Dorsal pronotal setation similar to that on head. Elytra about 1.4–1.5× as long as wide, laterally subparallel, subtruncate at apex, dorsally flattened. Humerus broadly rounded.Apex of elytron modified, with an inconspicuous, elongate denticle at opening of gland channel. Surface moderately glossy, less dense punctate than forebody. Intervening spaces variable, generally twice as wide as punctures. Elytral setae dirty yellowish, moderately long, rather sparse, subdecumbent, directed posteriad. Metathoracic wings fully developed. Legs without modifications, tibial terminal spurs paired. Tergite VII truncate at posterior margin. Morphological sternite VII broadly rounded at posterior margin. Tergite VIII with a hair­like, membranous lamina ( Fig. 7D ). Morphological sternite VII as in Fig. 7E , deeply emarginate at posterior margin. Spiculum gastrale as in Fig. 7E . Aedeagus ( Fig. 7B–C ) with rather short tegmen, thickened, hooked but not acutely angulate tegmen apex; fused baculi short; endophallic armature with a pair of curved, basally thickened, sickle­like spines and bunch of longer, narrow, parallel spines.

Sexual dimorphism. Female is unknown.

Differential diagnosis. Microhoria bremeri sp. nov. belongs to the M. terminata species group. It and can be distinguished from all congeners by the characteristic shape and structure of the male aedeagus. The aedeagus of M. bremeri sp. nov. resembles that of M. ottomana (LaFerté­Sénectère, 1849) ( Greece (Lesvos Island), Lebanon, Turkey), but the endophallic armature of the new species differs primarily in the presence of the paired, sickle­like spines and the absence of the long and moderately broad, sword­shaped spines (present in M. ottomana ) and the short and broad tegmen apex with fully rounded, not acutely angulate apical hook (tegmen apex acutely angulate in lateral view in M. ottomana ).

Ecology. Sampled using flight interception traps installed on hollow trunks of pollarded, short veteran Quercus ithaburensis Decne. trees in an open­canopy, sunny site at 1100 m a.s.l.

( Fig. 54B ). Trap No. 12 (holotype) was installed 1.5 m above the ground on a hollow trunk of 220 cm circumference. Trap No. 13 (paratype) was installed 1.8 m above the ground on a hollow trunk of 250 cm circumference.

Distribution. Southern Turkey.

Figures

Fig. 7. Microhoria bremeri sp. nov., paratype male. A – Habitus, dorsal view; B – Aedeagus, lateral view; C – ditto, apical portion; D – Lamina of tergite VIII; E – Morphological sternite VIII attached to the spiculum gastrale [not to scale].

Fig. 54. Veteran tree­connected habitats of Microhoria in Turkey. A – Sampling plot near Yukangökdere, Kasnak oak reserve, Turkey; B – Sampling plot near Adiyaman, Turkey [images courtesy Nicklas Jansson, Linköping University, Linköping, Sweden].