Global Cestode DatabaseCestode Scientific Name
| Species ID | 13944 |
|---|---|
| Order | Diphyllobothriidea |
| Family | Diphyllobothriidae |
| Subfamily | |
| Genus | Dibothriocephalus |
| Species | ursi |
| Authority | (Rausch, 1954) Waeschenbach, Brabec, Scholz, Littlewood & Kuchta, 2017 |
| Taxonomic Status | Valid |
| Valid Name | |
| Synonyms | Diphyllobothrium ursi Rausch, 1954 |
| Genus Record | No |
| Type Species | No |
| Verified | No |
| Verified By | |
| Citation(s) |
Rausch, R. 1954. Studies on the Helminth fauna of Alaska. XXI. Taxonomy, morphological variation, and ecology of Diphyllobothrium ursi n. sp. provis. on Kodiak Island. The Journal of Parasitology 40(5): 540-563. (6679) Download PDFWaeschenbach, A., J. Brabec, T. Scholz, D. T. J. Littlewood, and R. Kuchta. 2017. The catholic taste of broad tapeworms – multiple routes to human infectio. International Journal for Parasitology 47: 831–843. (7057) Download PDF |
| Redescription | |
| Scientific Name Notes |
Record Data
| Date (MM/DD/YYYY) | Action | User Name |
|---|---|---|
| 01/04/2018 | Created | R. Kuchta |
| 01/04/2018 | Modified | R. Kuchta |
| 10/26/2018 | Modified | R. Kuchta |
Type Host
| Host Class | Mammalia | ||||||
|---|---|---|---|---|---|---|---|
| Host Order | Carnivora | ||||||
| Host Family | Ursidae | ||||||
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Type Host (Literal) |
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Type Host (Valid) |
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| Additional Host(s) | |||||||
| Site in Host | small intestine | ||||||
| Host Notes |
Type Locality
| Country | U.S.A. |
|---|---|
| Body of Water | |
| Island(s) | Kodiak Island |
| City/Region | Alaska |
| Coordinates | |
| DD Latitude | |
| DD Longitude | |
| Additional Localities | |
| Locality Notes |
Specimens
| Type Material | -USNPC No. 49355 (holotype) -MSBP No. 5733 (paratypes) |
|---|---|
| Total Number of Type Specimens | |
| Voucher Material | -USNPC No. 49356 (plerocercoid) |
| Specimen Notes | Slides, No. 49355, containing portions of adult strobilae, have been deposited in the Helminthological Collection of the U. S. National Museum. |
Data are given as in original description unless otherwise indicated.
FIG. 1. Diphyllobothrium ursi n. sp., mature segment from naturally infected brown bear, Kodiak Island, Alaska.
FIG. 2. D. ursi n. sp., mature segment from naturally infected brown bear.
FIG. 3. D. ursi n. sp., scolex of mature cestode from naturally infected brown bear.
FIG. 4. D. ursi n. sp., mature segment from naturally infected brown bear.
FIG. 5. D. ursi n. sp., sagittal section through mature segment, showing relationships of genital ducts. From naturally infected brown bear.
FIG. 6. D. ursi n. sp., plerocercoid larva from red salmon, excysted.
FIG. 7. D. ursi n. sp., 10-day-old mature segment from experimentally infected black bear.
FIG. 8. D. ursi n. sp., 61-day-old mature segment from experimentally infected black bear. 
FIG. 10. D. ursi n. sp., scolex of plerocercoid, lateral view.
FIG. 11. D. ursi n. sp., segment of cross-section of plerocercoid; drawn from 5 micron section, stained with hematoxylin-eosin.
FIG. 12. D. ursi n. sp., scolex of plerocercoid, dorso-ventral view. 
-USNPC No. 49355 
-USNPC No. 49355 
-USNPC No. 49356 (plerocercoid) 
MSBP No. 5733 Best viewed in Firefox
