Ent 4015: Ornamentals and Turf Entomology
Question Set 3

Feb 7, 2006: Greenhouse/ interiorscape IPM: pests
1. In the slideshow on "Greenhouse Pests power point: htm or ppt" or "CUES Interiorscape Site"
Please provide morphological characters that are the best way to identify and tell the difference between the following pests:

1a. thrips compared to scales

1b. greenhouse thrips compared to western flower thrips

1c. brown soft scale compared to hemispherical scale

1d. melon aphid compared to green peach aphid

1e. citrus mealybug compared to long tailed mealybug

1f.. boisduval scale compared to fern scale

1g. greenhouse compared to silverleaf whiteflies. See the pictures on the interiorscape site and go to the table http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7401.html

1h. two spotted spider mite compared to cyclamen mite

1i. fungus gnat adults compared to shore fly adults

Feb 9, 2006: Greenhouse/ interiorscape IPM: biocontrol and pesticides
2. In the slideshow on "Greenhouse Biological Control power point: htm or ppt" or "CUES Interiorscape Site"
Please provide morphological characters that are the best way to identify and tell the difference between the following beneficial insects.

2a. green lacewing adult compared to whitefly parasitoid Encarsia

2b. mealybug destroyer compared to purple scale predator

2c. aphid parasitoid Aphidius matricariae compared to green lacewing adult

2d. convergent lady beetle compared to twice stabbed label beetle

3. In the slideshow on "Greenhouse Biological Control power point: htm or ppt" or "CUES Interiorscape Site"
For the beneficial insects listed above, please list what pest or pests they attack

3a. green lacewing adult compared to whitefly parasitoid Encarsia

3b. mealybug destroyer compared to purple scale predator

3c. aphid parasitoid Aphidius matricariae compared to green lacewing adult

3d. convergent lady beetle compared to twice stabbed lady beetle

4. Please tell us in 50 words or less how the course is going for you. What can we do to make it a better learning experience for you? Are you learning? Are you lost? Do you like the pictures? Is it easy to know what to do? Do you want to ask us more questions? Should we email you more often?

Please send responses to pests@umn.edu.