Reicheiodes microphthalmus (Heyden, 1870) from the north-western Iberian peninsula, with a description of the new subspecies Reicheiodes microphthalmus assmanni ssp. n. (Coleoptera: Carabidae, Scaritinae).

Reicheiodes microphthalmus (Heyden, 1870) wird redescribiert. Untersuchungen an 7 Populationen aus Nordwestspanien zeigen, daß die Art in einer südlichen und einer nördlichen Subspecies vorkommt, die durch die Talsysteme des Rio Niño und Rio Sil getrennt sind. Die neue Subspecies Reicheiodes microphthalmus assmanni ssp. n. wird beschrieben, illustriert, und mit Reicheiodes microphthalmus microphthalmus (Heyden) verglichen.StichwörterColeoptera, Carabidae, Scaritinae, Reicheiodes, taxonomy, Spain.Nomenklatorische Handlungenassmanni Balkenohl, 1999 (Reicheiodes microphthalmus), sspec. n.Reicheiodes microphthalmus (Heyden, 1870) is redescribed. A study of 7 populations from the north-western Iberian peninsula revealed that the species occurs in a southern and a northern subspecies separated by the valley systems of the Rio Niño and Rio Sil. The new subspecies Reicheiodes microphthalmus assmanni ssp. n. is described, illustrated, and compared with Reicheiodes microphthalmus microphthalmus (Heyden).KeywordsColeoptera, Carabidae, Scaritinae, Reicheiodes, taxonomy, Spain.Nomenclatural Actsassmanni Balkenohl, 1999 (Reicheiodes microphthalmus), sspec. n

Trilophidius gemmatus sp. n., a new species from Bhutan, with an updated identification key to the Asian species (Coleoptera, Carabidae, Scaritinae)

Trilophidius gemmatus sp. n. from Bhutan is described and illustrated. Notes on how to separate this species from other Asian Trilophidius species are given. An updated identification key to the Asian Trilophidius species is provided

Personale Aspekte zur sozialen Kommunikation

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Circadian Organization in Hemimetabolous Insects

The circadian system of hemimetabolous insects is reviewed in respect to the locus of the circadian clock and multioscillatory organization. Because of relatively easy access to the nervous system, the neuronal organization of the clock system in hemimetabolous insects has been studied, yielding identification of the compound eye as the major photoreceptor for entrainment and the optic lobe for the circadian clock locus. The clock site within the optic lobe is inconsistent among reported species; in cockroaches the lobula was previously thought to be a most likely clock locus but accessory medulla is recently stressed to be a clock center, while more distal part of the optic lobe including the lamina and the outer medulla area for the cricket. Identification of the clock cells needs further critical studies. Although each optic lobe clock seems functionally identical, in respect to photic entrainment and generation of the rhythm, the bilaterally paired clocks form a functional unit. They interact to produce a stable time structure within individual insects by exchanging photic and temporal information through neural pathways, in which serotonin and pigment-dispersing factor (PDF) are involved as chemical messengers. The mutual interaction also plays an important role in seasonal adaptation of the rhythm

A genus in disguise. Revision of the genus Salcedia Fairmaire, 1899 with descriptions of nine new species (Coleoptera, Carabidae, Scaritinae, Salcediini)

This monograph on the genus Salcedia Fairmaire, 1899 revises the nine described species S. perrieri Fairmaire, 1899, S. coquilhati Alluaud, 1932, S. elongata Alluaud, 1932, S. africana (Britton, 1947), S. schoutedeni Alluaud, 1930, S. putzeysi (Oberthür, 1883), S. miranda (Andrewes, 1920), and S. parallela Baehr, 1998. The following nine new species are described: S. unifoveata sp. nov., S. faillei sp. nov., S. lukulua sp. nov., S. matsumotoi sp. nov., S. utetea sp. nov., S. robusta sp. nov., S. procera sp. nov., S. tuberculata sp. nov., and S. baroensis sp. nov. Photographs of the habitus and male and female genitals are provided for all species. An identification key to the species is given. Morphological characteristics of the genus are described and illustrated. Zoogeography of the group is discussed and distribution records from Africa are displayed on a map. Available biological data are summarised

On the female gonocoxites of Asian, Arabian, and African Clivinini with realignment of the Thliboclivina-, Physoclivina-, and Eoclivina-species groups, and notes on the higher systematics of the tribe Clivinini Rafinesque, 1815 (Coleoptera, Carabidae)

Balkenohl, Michael (2022): On the female gonocoxites of Asian, Arabian, and African Clivinini with realignment of the Thliboclivina-, Physoclivina-, and Eoclivina-species groups, and notes on the higher systematics of the tribe Clivinini Rafinesque, 1815 (Coleoptera, Carabidae). Zootaxa 5190 (1): 99-126, DOI: https://doi.org/10.11646/zootaxa.5190.1.

Notes on Oriental Clivinini and the description of two new species (Coleoptera: Carabidae: Clivinini)

Balkenohl, Michael (2018): Notes on Oriental Clivinini and the description of two new species (Coleoptera: Carabidae: Clivinini). Linzer biologische Beiträge 50 (1): 197-215, DOI: http://doi.org/10.5281/zenodo.398540