S. Mahunka szerk.: Folia Entomologica Hungarica 44/2. (Budapest, 1983)
FOLIA XLIV. 2. ENTOMOLOGICA HUNGARICA ROVARTANI KÖZLEMÉNYEK 1983 p. 239-269 Description of the external male genitalia of some Neotropical Tenebrionidae (Col. Heteromera) By G. MARCUZZI (Received December 2, 1982) Abstract: The external morphology of phallus of 56 species of Neotropical Tenebrionids (Col. Heteromera) belonging to three subfamilies, 5 tribes and 16 genera is described and illustrated. Often some comparisons are made with closely allied species. In one case also a different, new subspecies is illustrated ( Austrocaribius venezuelensis araguae ssp.n.). The morphology of phallus proves to be of great importance for a differentiation of some genus inside a tribe (e.g. Stictoderia among Epitragini) and of some groups of species within a genus (e.g. Antillean and South Caribbean Diastolinus ). In both cases an agreement with what we know of geology and paleogeography of the inhabited territory is very remarkable. General comments are made about the importance male genitalia can have in cladistic and phenetic classifications; also the bearing of geographic distribution of some taxa in phylogenetic trees is stressed. The research is still in progress. The scarcity of descriptions of male genitalia in Neotropical Tenebrionids, compared with several other zoogeographical regions, has advised to represent here the first results the author has had in the study of this Coleopterous family, which began in 1948, and which brought to the description of several new species and genera, coming mainly from the Caribbean area. In the Caribbean area the first author who illustrated the external male genitalia is probably CHAMPION who in his Biológia Centrali Americana draws the extremity of the parameres in the genus Hapsida (tribus Diaperini) which show great differences and therefore have a good systematic use; CHAMPION draws also the complete tegmen of Oxidates (tribus Misolampini) (PI. 11, Fig. 19 c) where the basale embraces laterally the parameres; quite different is Saziches (PI. 11, Fig. 22 c) seen from the ventral side, with a large VI segment with the form of two valvae which receive the copulatory organ. For Hapsida (p. 214) CHAMPION speaks of a corneous sheath of aedeagus which includes a second sheath, divided at apex in two very long spiniform processes, each furnished at the sides with some setae. From the figure however it is not possible to recognize the two sheaths: theoretically they could correspond to the phallobase (external sheath) and to parameres (internal sheath). A further contribution to the study of Apsida is due to TRIPLEHORN in recent times. To CHAMPION in North America several authors follow, first of all BLAISDELL (1909), followed by LA RIVERS (1943) and others. The first author who dealt with Neotropical and more particularly South American species is MARCUZZI (1954) who has illustrated the male genitalia of some new genus coming from the Caribbean area (Hummelinckia , Austrocaribius and Trichoto- ides ), followed by ESPANOL. (1960) who illustrated the tegmen (only apical part, seen in ventral view) of a new Phaleriini from Peru; KULZER (1961) who draws the aedeagus (or as he says
