Articles

Oplostomus Fuligineus (Coleoptera: scarabaeidae): life cycle and biology under laboratory conditions, and its occurrence in bee hives.

Jean M. I. Donaldson

Résumé :

Oplostomus fuligineus Olivier (Cetoniinae : Cremastocheilini) has been known as a pest in bee hives in southern Africa since the early 1900’s. This is the first description of its life cycle and breeding habits. Eggs were laid in a mixture of soil and cattle dung and took 6 to 10 days (mean 7.9 days) to hatch. The larvae (description is given) were fed on a mixture of soil, compost and cattle dung in the ratio of 1:2:3 by volume and took 30 to 38 days (mean 33 days) to become pupae. The pupae took 21 to 29 days (mean 25 days) to eclosion. Survival rate of eggs was 95%, larvae 61% and pupae 71%. Female and male adults could be distinguished by the shape of the abdominal sternites. They fed preferentially on open bee brood containing larvae, also on young capped brood and survived well on pollen and honey. In nature they seldom feed on flowers as do other Cetoniinae.

The Coleopterists Bulletin, 43(2): 177-182. 1989

A Revision of the Neotropical Genus Desicasta Thomson (Coleoptera: Scarabaeidae: Cetoniinae: Gymnetini)

Brett C. Ratcliffe 

Résumé :

The genus Desicasta Thomson, 1878 is comprehensively reviewed, and the formerly eight species are reduced to three. Redescriptions of previously known species, a key for identification, and illustrations of the three species are provided. Desicasta sculptilis Thomson, 1878, Moscheuma sebosum Neervoort van de Poll, 1886, and Moscheuma opaca Kraatz, 1898 are placed as new junior synonyms of Desicasta lobata (Olivier, 1789). Desicasta laevicostata (Neervoort van de Poll, 1886) is a new junior synonym of Desicasta reichei (Thomson, 1860). Desicasta nonfriedi Schoch, 1896 is a new junior synonym of Amithao erythropus (Burmeister, 1842).

The Coleopterists Bulletin, 67(4):447-456. 2013.

Description de la femelle de Stephanocrates kiellandi Allard, 1985 (Coleoptera, Cetoniidae)

Drumont Alain

Résumé :

The female of Stephanocrates kiellandi Allard, 1985 is described and figured.

Entomologia Africana 2 (2), 1997 : 11-13

A Review of the Neotropical Genera Badelina Thomson, 1880, Balsameda Thomson, 1880, Guatemalica Neervoort van de Poll, 1886, and Heterocotinis Martínez, 1948 (Coleoptera: Scarabaeidae: Cetoniinae: Gymnetini)

Brett C. Ratcliffe 

Résumé :

The genera Badelina Thomson, 1880, Balsameda Thomson, 1880, Guatemalica Neervoort van de Poll, 1886, and Heterocotinis Martínez, 1948 are reviewed. Redescriptions, diagnoses, distributions, and illustrations of all species in each genus are provided. Balsameda monzoni Ratcliffe and Balsameda porioni Ratcliffe are described as new species from Guatemala and Mexico, respectively. Gymnetis marginicollis Burmeister, 1842 (formerly Guatemalica marginicollis) was recently transferred to Amithao, and Gymnetis luctuosa Bourgoin, 1916 is not in the genus Guatemalica but in a yet to-be determined species of Gymnetis MacLeay. Gymnetis smaragdinea Gory and Percheron, 1833 and Cotinis nitidicollis Moser, 1907 are placed in new junior synonymy with Heteroconitis terminate (Gory and Percheron, 1833).

The Coleopterists Bulletin, 68(2): 241-262. 2014.

Contribution à la systématique du genre Aethiessa Burmeister, 1842 (Coleoptera: Cetoniidae: Cetoniinae)

Moreno DUTTO & Denis KEITH

Résumé :

Major inconsistencies between the currently used taxonomy and the type material were noticed during the revision of some types of the Cetoniidae family. In this study, we clarify the taxonomic position of Aethiessa inhumata and designate a lectotype. Likewise, we also designate a lectotype of A. floralis, the type-species of the genus.

Revue Suisse de zoologie 115 (3) : 447-450, septembre 2008

A Review of the Neotropical Genera Astroscara Schürhoff, 1937, Chiriquibia Bates, 1889, Hadrosticta Kraatz, 1892, Jansonia Schürhoff, 1937, Macrocranius Schürhoff, 1935, and Tiarocera Burmeister, 1842 (Coleoptera: Scarabaeidae: Cetoniinae: Gymnetini)

Brett C. Ratcliffe 

Résumé :

The monotyopic genera Astroscara Schürhoff, 1937, Chiriquibia Bates, 1889, Hadrosticta Kraatz, 1892, Jansonia Schürhoff, 1937 (revised status), Macrocranius Schürhoff, 1935, and Tiarocera Burmeister, 1842 (Coleoptera: Scarabaeidae: Cetoniinae: Gymnetini) are reviewed. Redescriptions, diagnoses, distributions, and illustrations of the species are provided. A type species for Tiarocera is designated.

The Coleopterists Bulletin, 68(3):363-376. 2014.

Revision of the Afrotropical species of the genus Spilophorus Westwood (in Schaum), 1848 (Coleoptera: Scarabaeidae: Cetoniinae: Cremastocheilini)

E. Holm &  R. Perissinotto

Résumé :

The seven species and one subspecies, at present attributed to Spilophorus in the Afrotropical region, are revised. One new species, Spilophorus pringlei sp. n., and one new subspecies, S. plagosus vrystaati subsp. n., are described. A key and illustrations to the species and subspecies are provided. The male of S. grandis Schein, 1949 is described for the first time. A new subgenus, Spilophorus (Prospilophorus) subgen. n., is established.

African Entomology18(1): 47–65 (2010)

Interaction entre le système de culture et le statut (ravageur ou auxiliaire) des vers blancs (Coleoptera : Scarabeoidea) sur le riz pluvial

Alain Ratnadass et al.

Résumé :

A Madagascar, les larves et adultes terricoles de certaines espèces de Coléoptères Scarabeoidea causent d’importants dégâts au riz pluvial. Le traitement insecticide des semences assure une protection efficace, mais son impact environnemental soupçonne justifie des recherches pour s’en affranchir, notamment en systèmes de culture avec semis direct sur couverture végétale (SCV). Un système SCV, fondé sur une rotation riz pluvial soja depuis 1998-1999, a ainsi été étudié de 2002 à 2007 sur deux sites des Hautes Terres. Sur cette rotation, on a trouvé, au bout de quatre ans (en 2002-2003), un effet positif du SCV (par rapport au labour) et du traitement de semences, en termes de réduction des attaques de ravageurs et de rendement du riz pluvial, sans effets négatifs du traitement des semences sur la biodiversité de la faune tellurique. Les quatre années suivantes, l’abondance de la macrofaune (phytophages comme saprophages/géophages et prédateurs), a augmenté, en particulier en SCV, sans que cela se traduise par des effets notables sur les rendements en 2005 et 2007. On a également étudié en laboratoire les préférences alimentaires des larves (« vers blancs ») de 3 espèces appartenant chacune à une famille de Scarabeoidea, et la variation du statut des larves de 7 espèces dans ces trois familles, en fonction du contenu du sol en matière organique. Bricoptis variolosa (Cetoniidae) et Hexodon unicolor (Dynastidae) se sont révélées être saprophages obligatoires, alors que Apicencya waterloti (Melolonthidae) s’est revélé rhizophage obligatoire, tandis que Heteroconus paradoxus et 3 autres espèces de Dynastidae (Heteronychus plebeius, H. bituberculatuset H. arator rugifrons) se sont révélés rhizophages facultatifs. Outre les changements dans la composition faunistique tellurique induits par la gestion SCV, le changement de statut de certains vers blancs selon le statut organique du sol ouvre de nouvelles perspectives de gestion des agroécosystèmes rizicoles pluviaux.

Cah Agric, vol. 22, n°5, septembre-octobre 2013, 432-441

doi:10.1684/agr.2013.0649

New and lesser known species of African fruit chafers (Coleoptera Scarabaeidae Cetoniinae)

E. HOLM and R. PERISSINOTTO

Résumé :

Two new subgenera [Anoplocheilus  (Diplognathoides) n. subgen., Anoplocheilus (Nselenius) n. subgen.], four new species [A. (N.) silvicola n. sp.,Ichnestoma struempheri n. sp., Trichostetha hawequas n. sp., T. potbergensis n.sp.] and one new subspecies (Raceloma jansoni stobbiai n. subsp.) are described. Ichnestoma coetzeri (Allard 1988) is confirmed as a separate species and the genus Jothochilus Kolbe 1982 is synonymized with Tephraea Burmeister 1842. The females of Rhabdotis albonotata (Moser 1904) and Ichnestoma perstriata Holm 1992 are described for the first time. Illustrations and new distributional and biological data are provided.

Tropical Zoology 17: 73-95, 2004

Fauna of the Cetoniid Beetles (Coleoptera: Cetoniidae) and their Damages on Peach Fruits in Orchards of Northern Dalmatia, Croatia

Josip RAZOV et al

Résumé :

The beetles Cetonia aurata and Potosia cuprea belonging to the subfamily Cetoniinae (Coleoptera: Cetoniidae) are present in peach orchards in Northern Dalmatia, Ravni kotari region. They are often described as flower pest (“Rose chafers, flower beetles”), and are thought not to be significant as fruit pests. However, during the last ten years some serious damage to fruit has been observed. Since this damage occurs when the fruits are ripening, insecticides cannot be used. There are no literature data about the amount of the damage or how to monitor the damage. This paper describes our monitoring of the population dynamics of the Cetonia aurata and Potosia cuprea, and the method for calculating the damage to fruit suitable for the orchards in this area. The study was conducted during the spring and summer of the year 2005, 2006 and 2007 in the Ravni kotari region, near the villages of Prkos and Smilčić. We used Csalomon® VARb3k funnel traps. We took into consideration the population dynamics of the Cetonia aurata and Potosia cuprea, the determination of the other trapped members of the subfamily Cetoniinae, as well as the damage percentage of each cultivar. 

Entomol. Croat. 2009, Vol. 13. Num. 2: 7-20

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