C.M.R. 13, 188, ch. 24, app 188-24-A

Current through 2024-51, December 18, 2024
Appendix 188-24-A

(Molluscan bivalves)

Key:B = Benign; U = Unknown; PD = Potentially Dangerous; D = Dangerous; P = Pest

Status of Seriousness

Diseases

Geographic Zones

States

AMERICAN OYSTERS (C. virginica)

(U)B

Viral gametocyte hypertrophy

Entire East & Gulf Coasts

D

Herpesvirus (hemocytic)

CGM

ME

B

Chlamydia-Rickettsia Disease

Entire east coast

B

(in ducts and stomach)

Entire east coast

B

(in tubules)

Entire east coast

(U)PD

Actinomycosis

CSN, DB

NY, NJ

D

Perkinsus marinus

DB, CB, PS (Entire Estuaries east & Gulf Coast)

NJ, DE, MD,

VA, NC

D

Haplosporidium nelsoni (MSX)

CSN, DB, DE, CMA

NJ, NY, DE,

CGM*

MD, VA, ME

Marsh River, ME

*Wellfleet, MA

D

Minchinia costalis (SSO)

CGM, CSN, CMA

High salinity estuaries of entire northeast

B

Nematopsis ostrearum

All Atlantic & Gulf coasts

B

Ancistrocoma -like ciliates

All Atlantic & Gulf coasts

B

Sphenophrya-like ciliates

All Atlantic & Gulf coasts

B

Hexamita sp.

All Atlantic & Gulf coasts

(U)P

Turbellaria

CSM, CGM

NY, MA, ME

All but ME

P

Bucephalus cuculus

CB, DB, PS, CMA

CSM, CGM?

P

Nematode infections

CB, PM, DB

PD

Malignant neoplasia

All east coast

P

Gill Turbellarian

CGM

Canada

D

Malpeque Bay disease

Canada (Gulf of St. Lawrence)

SOFT-SHELL CLAMS (Mya arenaria)

D

Viral hematopoietic neoplasia

CGM, CSN

B

Chlamydia

All Northeast

PD

Perkinsus sp.

CB, CSN

MD, RI

B

Ciliates

All Northeast

U

Pseudoklossia kidney gregarine

CSN, CGM

P

Bucephalus sp.

Unknown

U

Gill dysplasia

Entire coast

PD

Gonadal neoplasia

CGM

Searsport, ME

Dennys ville, ME

B

P

B

U

PD

P

D

U

HARD-SHELLED CLAMS (Mercanaria mercenaria)

Chlamydia

Trematode

Ciliates

Arrested gametogenesis

Chitried fungus

BAY SCALLOPS (Aequipecten irradians

Microsporidan

Kidney gregarine (pseudoklossia)

Entire northeast

CSN

Entire range

CSN

Eastern Canada

GMA

CSN

NJ

RI

MA

MA, CT

BLUE MUSSELS (Mytilus edulis

B

Chlamydia

Entire coast

U

Bacterial disease of plycate org:

an CMA, CNS

PD

Haplosporidan

CGM

ME

U

Pseudoklossia sp. in kidney

CSN, CGM

MA, ME

B

Steinhusia in ova

CSN

RI

B

Ciliates

Entire range

P

Trematode redia

CGM, CSN, CMA

P

Trematode metacercariae Gymnophallus bursicola

CGM, CSM, CMA

P

Copepod

CGM

ME

P

Pinnotheres maculatus

CSN, CGM

ME

PD

Mytilicola intestinalis

Europe

U

Haematopoietic neoplasm

UK

D

Mytilicola orientalis

US West coast

SEA SCALLOPS (Placopecten magellanicus)

PD

Abscesses

CGM

ME

U

Fungus

ME

(Sheepscot River

EUROPEAN OYSTERS (Ostreia edulis

D

Mytilicola orientalis

West coast of US, France

U

Haematopoietic neoplasm

France

D

Shell disease (fungus)

European Atlantic coast Canada (Maritime provinces)

D

Minchinia armoricana

France, Netherlands

D

Martiella refringens

France

D

Rickettsia

France

D

Bonamia ostreae

France, Denmark, Netherlands

PD

Herpes-like virus

Wales, GB

D

Microcell disease

California, Connecticut

C.M.R. 13, 188, ch. 24, app 188-24-A