Redescription of Chrysanthia maroccana Lindberg, 1932 (Coleoptera, Oedemeridae)

2 Pages·1991·0.78 MB·

by  Xavier Vazquez

©Entomologica Fennica. 9 .IV .1991
Redescription of Chrysanthia maroccana Lindberg, 1932
(Coleoptera, Oedemeridae)
Xavier A. Vazquez
Vazquez, X. A. 1991: Redescription of Ch1ysanthia maroccana Lindberg, 1932
(Coleoptera, Oedemeridae).- Entomol. Fennica 2:19-20.
Ch1ysanthia maroccana Lindberg 1932 is redescribed, and lectotype and
paralectotypes are designated. A key to the Middle European and West
Mediterranean species of Ch1ysanthia Schmidt is presented.
Xavier A. Vazquez, Dept. Biologia Animal, Secc. Zoologia (Invertebrate),
Fac. Biologia, Univ. Barcelona, Av. Diagonal 645,08028 Barcelona, Spain
In the original description of Chrysanthia ma Pronotum little expanded anteriorly. Antero
roccana Lindberg, 1932, some important char lateral depressions very shallow, basal one slight.
acteristics (male terminalia, structure of meta Median line absent. Anterior margin almost
coxae and Vllth abdominal stemite) were omitted. straight, slightly sinuate. Lateral margins more
The identification of the species is not possible or less sinuate before the middle. Surface with
without them. small, irregular punctures, greater than the head,
A study of the syntypes of C. maroccana, hardly umbilicate and with abundant transverse
kindly loaned by Dr. H. Silfverberg, has made ridges at least on fore third.
the redescription and designation of lectotype Elytra roughly granulated, uniformly col
and paralectotypes possible. In addition a key to oured. Veins very weak, almost erased except
Central European and West Mediterranean spe the external one. Pubescence simple, without
cies of the genus Chrysanthia Schmidt is pro black semi-erect bristles.
posed; it is based on the key in Vazquez 1989. Legs with femora moderately thickened (es
pecially pro- and mesofemora). Metacoxae with
apical denticle. Profemora and protibiae yellow
Chrysanthia maroccana Lindberg, 1932
with more or less infuscate dorsal edge. Protarsi
Chrysanthia maroccana Lindberg, 1932. Pic & Lindberg infuscate dorsally. Meso-and metafemora yellow
1932:34. with an apical fuscous ring. Meso-and metatibiae
Material examined. Syntypes: Marocco, Dj. Amsitten, piceous to yellowish, especially at the basal and
16-18.5.26, Lindberg lgt, lei' S99; lectotype (ci') and ventral part. Meso-and metatarsi infuscate.
paralectotypes are designated (Zoo!. Mus. Univ. Helsinki).
Abdomen coloured like the remainder of the
Male. Metallic green to golden. Mandibles body. Stemite VI simple, without medial projec
yellow with infuscate apex. Maxillary palpi tion. Emargination of stemite VII reaching 2/3 of
piceous with yellow marks. Antennae fuscous, its length (Fig. 4 ). Projections of sternite VIII
first segments flavous ventrally. Legs broadly visible.
yellow. Genitalia: Genital segment (urite IX) (Fig. 3)
Head sparsely, finely punctate, between with the apical emargination narrowed basally.
punctures strongly microshagreened. Antennae Tegmen (Fig. 2) curved apically. Median lobe
reaching the elytra midlength. (Fig. 1) straight with apical tooth. "
20 Vazquez: Redescription ofChrysanthia maroccana • ENTOMOL. FENNICA Vol. 2
Figs. 1-4. Chrysanthia maroc
cana Lindberg. 1: median lobe.
2: tegmen. 3: urite IX. 4: last ab
dominal sternites, ventral view.
1 2 3 4 (Scale 0.5 mm).
Female. Metacoxae without apical denticle. 2. Pronotum sparsely, finely punctate, with transverse
Abdomen orange-yellow. Abdominal sternite VII ridges. Median lobe with apical tooth (Fig. I) ......... 3
rounded apically. - Pronotum densely, thickly punctate, without transverse
ridges. Median lobe increased apically but without
Diagnosis: C. maroccana can be distin apical tooth ............................................................... 4
guished by the following combination of charac 3. Male metacoxae with apical denticle. Female abdo
men orange-yellow. Tegmen curved apically (Fig. 2).
ters: pronotum slightly punctured and evidently
Marocco ................................ C. maroccana Lindberg
conugated transversely, elytral pubescence sim
- Male metacoxae without apical denticle. Female abdo
ple, elytral veins almost erased, legs broadly yel men metallic. Tegmen stright. SE Iberian Peninsula
low, Vlth male abdominal sternite simple, male .................................................... C. hamata Vazquez
4. Elytra uniformly coloured. Head punctures markedly
metacoxae with apical denticle, tegmen curved
less than the pronotum. Europe C. viridissima (Linne)
apically, median lobe straight and toothed at the
- Sides of elytra golden to copperish, suture green to
apex, female abdomen yellow. blue. Head punctures similar to the pronotum. Iberian
Both habitus and median lobe of C. maroc Peninsula ........................................ C. reilleri Seidlitz
cana are similar to C. hamata Vazquez, but the 5. Anterior margin of pronotum strongly emarginate.
Legs dark. Male metacoxae with apical denticle. Libya,
latter lacks the metacoxal denticle in the male,
Algeria, Marocco and Iberian Peninsula .................... .
the legs are dark, the tegmen is straight and the
....................................................... C. superba Reitter
female abdomen is metallic. C. viridis Schmidt - Anterior margin of pronotum straight to slightly sinuate.
(species without metacoxal denticle) lacks the Legs partially yellow. Male metacoxae without denticle.
pronotal ridges, has double elytral pubescence, Europe ........................................... C. viridis Schmidt
slight emargination of Vllth abdominal sternite
Acknow/edgemellfs. I am very obliged to Dr. H. Silfverberg
in the male, simple median lobe apex (Vazquez from the Zoological Museum of the University of Helsinki
1989) and metallic abdomen in the female. for the loan of the types and other interesting material.
References
Key to the Central European and West Medi Pic, M. & Lindberg, H. 1932: Inventa entomologica, itineris
terranean species of Chrysanthia Hispanici et Maroccani, quod a. 1926 fecerunt Harald
et Hilkan Lindberg. XII. Anobiidae, Cleridae, Malaco
dermata, Heteromera (ex parte). - Comment. Bioi.
For the figures of the other species see Vazquez 1989. 3(18): 1-37.
Vazquez, X. A. 1989: El genero Chrysanthia Schmidt en Ia
I. Elytral pubescence without black semi-erect bristles 2 Peninsula Iberica.- Elytron 3:125- 136.
- Elytral pubescence double, with light setae and black
semi-erect bristles ..................................................... 5 Received 23. V.l989