Symphylans are very small, white, many segmented organisms that you may see in your soil when you pull up a struggling plant. You will notice them darting and scurrying quickly about the root ball or seedling plug. They are also known as symphlans, or “symphys”, pseudocentipedes, or garden centipedes, even though they are not centipedes. They are […]
Also referred to as: Spotted Cucumber Beetles, Striped cucumber beetles, western striped cucumber beetle, southern corn rootworm, Western corn rootworm beetles Acalymma spp., Diabrotica undecimpunctata Physical Description: Light green to yellow little beetles with stripes or spots (very much like a ladybug, but with yellow-green instead of red background). Striped cucumber beetles can overwinter in […]
Quick Intro Physical Description Google Images Species & Taxonomy Kingdom: Phylum: Class: Order: Family: Genus Species: Lifecycle Plants Affected Plants Unaffected Geographical Range Signs & Symptoms Whole Plant Leaves Flowers Fruit Roots/Tubers How to Positively Identify Treatment Prevention & Control Cultural Controls: Habitat: Temperature & Humidity: Mulching […]
The seedcorn maggot (Delia platura) is a pest that eats seeds and seedlings, and is prevalent in the spring after a wet period. It is in the same genus as the cabbage maggot, and looks the same. It is also known as the larva of the bean seed fly. It is abundant in California, primarily in […]
The genus Delia is a group of flies that are pests to many agricultural crops, primarily in their larval, or maggot, stage. Many individual pest pages redirect here. Physical Description Egg eggs are small and white (~1mm) some of the species’ eggs are slightly curved with a bluntly rounded end Larva Cabbage Maggot images from Google […]
Moles are usually not after your plants, but the grubs and insects that are after your plants. Unfortunately, they often undermine plant roots (which causes damage to the plant) or just make ugly molehills and tunnels. Physical Description Google Images Molehills and tunnels are usually all you see of this pest, other than sunken or loose […]
Quick Intro Physical Description Leatherjackets are the larvae of crane flies and are pests to several crops. They feed on roots, crowns and sometimes leaves of crops. Species & Taxonomy Kingdom: Animalia Phylum: Arthropoda Class: Insecta Order: Diptera Family: Tipulidae Genus Species: Lifecycle Plants Affected cabbages Plants Unaffected Geographical Range Signs & Symptoms […]
Harlequin bugs are part of the big family of bugs known as Stink Bugs. All but two of this large group of insects are pests to crops. Get familiar with the two good guys (the Two-Spotted Stink Bug & the Rough Stink Bug) so you don’t accidentally kill them. Click the links for some google […]
Quick Intro Physical Description Species & Taxonomy Kingdom: Phylum: Class: Order: Family: Genus Species: Lifecycle Plants Affected Plants Unaffected Geographical Range Signs & Symptoms Whole Plant Leaves Flowers Fruit Roots/Tubers How to Positively Identify Treatment Prevention & Control Cultural Controls: Habitat: Temperature & Humidity: Mulching & Cultivation Practices: Natural […]
Quick Intro Physical Description Google Images Larvae green and velvety-looking start out small, but can get up to an inch long often a yellow stripe can be seen running down their back move slowly Species & Taxonomy Kingdom: Phylum: Class: Order: Family: Genus Species: Pieris rapae Lifecycle Plants Affected Plants Unaffected Geographical Range […]