Coffee (Coffea arabica) Pest and Disease Image Gallery
Online quick reference for
Dr. Scot
C. Nelson <snelson@hawaii.edu>,
University of Hawaii at Manoa (UHM), College of Tropical Agriculture and
Human Resources (CTAHR), Department
of Plant and Environmental Protection Sciences (PEPS)
More than 130 digital photos of pests and diseases of coffee
(Coffea arabica L.)
in
How to use this site: Pests and coffee health
problems are listed in brown font below in alphabetical order. Browse and click on an image associated with
a particular problem. View, save or
print the image. Click on your browser’s
“back arrow” to return to this page. If you would like more information,
please contact the
NEW! General coffee production and horticultural images (see bottom of list)
I. General coffee
pest information from the
1. Coffee decline caused by the Kona coffee root-knot nematode authors: Mario Serracin, Donald Schmitt, and Scot Nelson (1999) [PDF]
2. Managing coffee nematode decline authors: Scot Nelson, Donald Schmitt, Virginia Easton Smith (2002) [PDF]
3. Hawaii Coffee Quarterly Newsletters authors: Virginia Easton Smith, Scot Nelson [PDF files]
4. Banana moth as a pest of coffee authors: Scot Nelson, Virginia Easton Smith, Mark Wright (2005) [PDF]
5. Fukunaga, a coffee rootstock resistant to the Kona coffee root-knot nematode authors: H. C. Bittenbender, D. P. Schmitt, Mario Serracin, C. G. Cavaletto (2001) [PDF]
6. The economics of producing coffee in Kona authors: Kent Fleming, Virginia Easton Smith, H. C. Bittenbender (1998) [PDF]
7. The economics of producing grafted coffee plants authors: Kent Fleming, Silvia Mauri (2001) [PDF]
8. The Case of the Nematode Nemesis (for-sale video) authors: H. C. Bittenbender, Doug Hamasaki (2002) [VCR]
9. Growing coffee in Hawaii (revised edition, 2004) authors: H. C. Bittenbender, Virginia Easton Smith
II. The Pest &
Disease Image Gallery
Algae: | non-parasitic algae on coffee leaves | parasitic algae Cephaleuros virescens |
Anthracnose (Colletotrichum gloeosporioides): | on cherries |
Ants: | ants tending green scale colony | ant’s nest on coffee |
Banana moth (Opogona sacchari): | adult 1 2 | larvae | wilting vertical | larval frass 1 2 3 | damage to coffee vertical 1 2 3 4 | larval tunnel in coffee vertical |
Botrytis flower blight: | Botrytis flower blight |
Broad mite (Polyphagotarsonemus latus): | leaf scarring & yellowing | leaf curling 1 2 |
Cercospora leaf spot (Cercospora coffeicola): | leaf spot and blight 1 2 3 4 5 6 | nutrient-deficient coffee plant more susceptible |
Cercospora berry blotch (Cercospora coffeicola): | green bean 1 2 | purple halo symptom 1 2 | symptom on young cherry 1 2 | cherry/berry blotch 1 2 3 4 | premature ripening of infected cherries |
Cherry ripening stages: | ripening stages |
Coffee (or black) twig borer (Xylosandrus compactus): | adult | wilting of verticals 1 2 3 4 5 6 | holes in stem | other plant hosts for twig borer: lychee koa1 koa2 |
Damping off (wire stem): | damped-off seedling | damped-off grafted plant |
Drought: | lateral branch | whole plant |
Flooding/poor drainage: | flooded field with dying plants |
Fuller rose beetle (Asynonychus godmanni): | adult beetle close-up | rose beetles and leaf damage 1 2 | leaf damage |
Green scale (Coccus viridis): | scales & ants on vertical | biological control fungus for green scale (Verticillium lecanii) 1 2 3 4 |
Herbicide (glyphosate) injury: | seedling witches’ broom | witches’ broom on pruned plants 1 2 |
Leafroller: | caterpillar and leaf damage |
Lichen: | pinkish lichen on coffee trunk |
Mealybugs: | on grafted plant | root mealybugs |
Nutrient deficiencies: | nitrogen 1 2 3 | potassium 1 2 | phosphorous 1 2 | zinc 1 2 3 | iron 1 2 3 | magnesium 1 2 3 | manganese | sulfur 1 | calcium 1 | boron 1 | damage to cherries from poor nutrition | multiple deficiencies 1 2 |
Over-bearing dieback: | early yellowing | laterals die back | cherries shrivel with spots |
Pacific beetle roach: | adult beetle roach |
Phytotoxicity: | copper and zinc sulfate / foliar spray injury 1 2 |
Planted too deep: | vascular necrosis & collar rot 1 2 | root rot and stem girdling 1 2 | plant yellowing and wilting 1 2 3 | planted too deep 1 2 3 | buried stem |
Rat damage: | chewed verticals | severed verticals 1 2 | severed laterals |
Root-knot nematodes (Meloidogyne konaensis): | nematode head magnified | Meloidogyne general life cycle (diagram) | stained nematodes in roots | galled roots 1 2 3 | foliar yellowing 1 2 | decline and dieback 1 2 | leaf flagging 1 2 3 | grafted seedlings | corky root | terminal swelling of young root | stubby roots | internal root necrosis |
Root rot: | rotted roots of flooded plant |
Slugs and snails: | slug damage to stem (presumed) |
Sooty mold: | leaves | cherries |
Star flower: | star flower (physiological) |
Stem girdling: | dying plant | girdled stem |
Sunburn: | sunburned leaves in field | sunburned leaves in nursery |
Weeds: | weeds that are good hosts for Kona coffee root-knot nematode: Hilo grass and slender amaranth |
Wilting: | wilting lateral | whole plant / rapid wilting |
Wind: | leaning plant | plant toppled | leaf distortion 1 2 |
General coffee production images: | plants in rows | pruned plants 1 2 | coffee flowers 1 2 3 | green berries | berries and cherries 1 |
Links: | The Farmer’s Bookshelf
| Crop Knowledge
Master | Hawaii
Pesticide Information Retrieval System | CTAHR homepage |
Pest & Disease Image Galleries: | Banana (Musa spp.) | Coffee (Coffea arabica) | Kava (Piper methysticum) | Papaya (Carica papaya) | Koa (Acacia koa) |
Noni (Morinda citrifolia)
| Palms | Mango (Mangifera indica) |
Photo credits:
Scot Nelson and Contributors: H. C. Bittenbender,
Virginia Easton Smith, Mike Nagao, Arnold Hara, Mario Serracin,
University of California
Site design: Scot
Nelson 2005
Last updated: 13.April.2007