Rudolph Dittrich (23 December 1850 in Breslau – 19 December 1922 in Breslau) was a German

entomologist Entomology (from Ancient Greek ἔντομον (''éntomon''), meaning "insect", and -logy from λόγος (''lógos''), meaning "study") is the branch of zoology that focuses on insects. Those who study entomology are known as entomologists. In ...

specialising in

Coleoptera Beetles are insects that form the Taxonomic rank, order Coleoptera (), in the superorder Holometabola. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 40 ...

and

Hymenoptera Hymenoptera is a large order of insects, comprising the sawflies, wasps, bees, and ants. Over 150,000 living species of Hymenoptera have been described, in addition to over 2,000 extinct ones. Many of the species are parasitic. Females typi ...

. His Hymenoptera collection is in the Museum of Natural History Wroclaw University. Dittrich worked also in the field of cecidology (studying plant

gall Galls (from the Latin , 'oak-apple') or ''cecidia'' (from the Greek , anything gushing out) are a kind of swelling growth on the external tissues of plants. Plant galls are abnormal outgrowths of plant tissues, similar to benign tumors or war ...

s) and edited the

exsiccata Exsiccata (Latin, ''gen.'' -ae, ''plur.'' -ae) is a work with "published, uniform, numbered set of preserved specimens distributed with printed labels". Typically, exsiccatae are numbered collections of dried herbarium Biological specimen, spe ...

work ''Herbarium cecidiologicum'' together with

Ferdinand Albin Pax Ferdinand Albin Pax (26 July 1858 – 1 March 1942) was a German botanist specializing in spermatophytes. A collaborator of Adolf Engler, he wrote several monographs and described several species of plants and animals from Silesia and the Carpat ...

and later with F.A. Pax and

Alexander von Lingelsheim Alexander von Lingelsheim (27 September 1874, in Arolsen – 5 March 1937, in Breslau) was a German botanist and pharmacist. He studied natural sciences at the University of Breslau, and for many years he worked as an assistant in its botanica ...

Works

Partial List * Verzeichnis der bisher in Schlesien aufgefunden Hymenopteren. I. Apidae. ''Zeitschr. Entom. N.F (Breslau)'' 28: 19-54 (1903) *Hymenopterologische Bemerkungen. III. Ein Beitrag zum Wirtzeichnis derIchneumoniden. ''Jahresh. Schles. Insektenkunde''.2,38-46 (1909) *Verzeichnis der bisher in Schlesien aufgefunden Hymenopteren. III. Rapacia. ''Jahr. Ver. Schles. Ins. Breslau'', 4: 15-34 * Verzeichnis der bisher in Schlesien aufgefunden Hymenopteren. I. Apidae. ''Zeitschr. Entom. N.F (Breslau)'' 28: 19-54 (1911) *Chalicodoma muraria F. in einem Steinbuch der Umgegend von Frankenstein. ''Jahr. Ver. Schles. Ins. Breslau'', 14: 6 * Verzeichnis der bisher in Schlesien aufgefunden Hymenopteren. I. Apidae. ''Zeitschr. Entom. N.F'' (Breslau) 28: 19-54 (1924)

References

{{DEFAULTSORT:Dittrich, Rudolph German entomologists Scientists from the Kingdom of Prussia Hymenopterists 1850 births 1922 deaths