. Cooperative economic insect report. Insect pests Control United States Periodicals. Key Based on the Imago Caste Note: Mandibles must be exposed for examination 1. Ocelli (oc) present, antennae less than 24 joints (Fig. 1A); cerci (ce) two-jointed (Fig. 2B) 2 Ocelli absent, antennae 24-jointed (Fig. 9); cerci (ce) four-eight jointed (Fig. 2A); mandi- ble dentition as in(Fig. 3D) Zootermops is 2. Forewing radial sector vein (Rs) with branches (Figs. 4, 5, 6) .3. Forewing radial sector vein (Rs) without branches (Fig. IB) 5 3. Forewing median vein (M) joining radial sector (Rs) (Fig. 5); mandi
. Cooperative economic insect report. Insect pests Control United States Periodicals. Key Based on the Imago Caste Note: Mandibles must be exposed for examination 1. Ocelli (oc) present, antennae less than 24 joints (Fig. 1A); cerci (ce) two-jointed (Fig. 2B) 2 Ocelli absent, antennae 24-jointed (Fig. 9); cerci (ce) four-eight jointed (Fig. 2A); mandi- ble dentition as in(Fig. 3D) Zootermops is 2. Forewing radial sector vein (Rs) with branches (Figs. 4, 5, 6) .3. Forewing radial sector vein (Rs) without branches (Fig. IB) 5 3. Forewing median vein (M) joining radial sector (Rs) (Fig. 5); mandible dentition as in(Fig. 3C) Cryptotermes Forewing median vein (M) running between radial sector (Rs) and cubitus (Cu), not joining rad- ial sector . 4. *SC C 3c H Re M Cu. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Bureau of Entomology and Plant Quarantine; United States. Plant Pest Control Branch; United States. Plant Pest Control Division; United States. Animal and Plant Health Inspection Service. Plant Protection and Quarantine Programs. Washington, D. C. : U. S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine
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