Harry O. Yates III's Images
Title: RetiredOrganization: USDA Forest Service
Country: United States
| 37 Images of 12 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 1546061 | eastern pine seedworm | Cydia toreuta | |
| 0796017 | soft scales | Toumeyella spp. | at base of developing shortleaf pine cone |
| 0796033 | southern pine coneworm | Dioryctria amatella | a seed orchard pest |
| 0796004 | shortleaf pine cone borer | Eucosma cocana | to shortleaf pine cone, a seed orchard pest |
| 0795071 | pine shoot gall sawfly | Xyela gallicaulis | galls on loblolly pine shoots |
| 0796020 | blister coneworm | Dioryctria clarioralis | |
| 1546064 | blister coneworm | Dioryctria clarioralis | pitch blister evidence of attack by larvae at base of loblolly pine cone |
| 1546231 | cone worms | Dioryctria spp. | |
| 1546038 | Nantucket pine tip moth | Rhyacionia frustrana | Web tent created by early instar tip moth larvae. Interior of web tent has been covered with a gummy oleoresin by the larvae. |
| 4911040 | monarch butterfly | Danaus plexippus | the National Geographic Magazine published pictures of the first monarch butterfly overwintering site discovered in Mexico. See images 4911040 - 4911060 |
| 0014285 | cone worms | Dioryctria spp. | |
| 4911041 | monarch butterfly | Danaus plexippus | An accompanying map graphically illustrates the incredible migration route this butterfly travels each year. See images 4911040 - 4911060 |
| 4911042 | monarch butterfly | Danaus plexippus | There are 13 known monarch butterfly overwintering sites in Mexico. Many are in the mountainous state of Michoacan (MA-CHO-A-CAN) west of Mexico City. See images 4911040 - 4911060 |
| 4911043 | monarch butterfly | Danaus plexippus | The only site open to the public is known as "el Rosario" located near the small town of Angangueo (AN-GAN-GAY-O). See images 4911040 - 4911060 |
| 4911044 | monarch butterfly | Danaus plexippus | Access to the site is by a primitive dirt road about 6 miles long. See images 4911040 - 4911060 |
| 4911045 | monarch butterfly | Danaus plexippus | Vehicles must park about 1 mile from the monarch site. Elevation of this mountain is approximately 11,000 feet. See images 4911040 - 4911060 |
| 4911046 | monarch butterfly | Danaus plexippus | A telephoto view of the fir trees (Abies religiosa) shows an orange-red hue created by the roosting butterflies. At a distance this coloration is suggestive of a bark beetle infestation. See images 4911040 - 4911060 |
| 4911047 | monarch butterfly | Danaus plexippus | The remainder of the ascent is by horse. See images 4911040 - 4911060 |
| 4911048 | monarch butterfly | Danaus plexippus | In some cases visitors are assigned a jackass for the final mountain assault. Is there a possible significance to this transport assignment? See images 4911040 - 4911060 |
| 4911049 | monarch butterfly | Danaus plexippus | As you enter the area it becomes readily apparent of the profusion of monarchs. See images 4911040 - 4911060 |
| 4911050 | monarch butterfly | Danaus plexippus | Foliage is literally covered with these dainty lepidopterans. See images 4911040 - 4911060 |
| 4911051 | monarch butterfly | Danaus plexippus | Some visitors serve as temporary roosts. See images 4911040 - 4911060 |
| 4911052 | monarch butterfly | Danaus plexippus | Mature fir tree limbs are literally weighted down by thousands of monarchs. See images 4911040 - 4911060 |
| 4911053 | monarch butterfly | Danaus plexippus | Green firs 80-100 feet tall turn orange from their living veneer. See images 4911040 - 4911060 |
| 4911054 | monarch butterfly | Danaus plexippus | The forest floor is literally darkened by the monarch masses. See images 4911040 - 4911060 |
| 4911055 | monarch butterfly | Danaus plexippus | Adults cling to a tree trunk. See images 4911040 - 4911060 |
| 4911056 | monarch butterfly | Danaus plexippus | Some tree trunks increase in size from clinging live insect bodies. See images 4911040 - 4911060 |
| 4911057 | monarch butterfly | Danaus plexippus | Flowering plants in the area provide a nectar source for the winter inhabitants. See images 4911040 - 4911060 |
| 4911058 | monarch butterfly | Danaus plexippus | Springs in the area are an essential component for insuring the survival of the monarch. See images 4911040 - 4911060 |
| 4911059 | monarch butterfly | Danaus plexippus | It is here that mating occurs prior to their spring northward migration. This migration usually begins about the 3rd week of March. See images 4911040 - 4911060 |
| 4911060 | monarch butterfly | Danaus plexippus | Using tagged adults, flights of as long as 3,000 km have been recorded. See images 4911040 - 4911060 |
| 0796005 | shortleaf pine cone borer | Eucosma cocana | a seed orchard pest |
| 0796012 | longleaf pine seedworm | Cydia ingens | |
| 0795068 | tip moth | ||
| 0795070 | subtropical pine tip moth | Rhyacionia subtropica | |
| 0796025 | southern pine coneworm | Dioryctria amatella | a seed orchard pest |
| 0796026 | southern pine coneworm | Dioryctria amatella | larva and adult on loblolly pine cone, a seed orchard pest |
