. Cooperative economic insect report. Beneficial insects; Insect pests. Key Based on the Soldier Caste 1. Antennae with at least 23 joints (Fig. 17); cerci long and four-five jointed Zootermops is Antennae with fewer than 23 joints; cerci short and two-jointed 2 2. Head short, truncated in front, mandibles com- paratively short (Fig. 12A) Cryptotermes Head long and narrow, not truncated in 3 3. Head without a fontanelle (Figs. 10, llA, IIB) 4 Head with a fontanelle (ft) (Figs. 13A, 14, 15, 16A) 5 4. Pronotum (pr) with anterior margin deeply incised and angular (Figs. IIA, IIB) Incisit
. Cooperative economic insect report. Beneficial insects; Insect pests. Key Based on the Soldier Caste 1. Antennae with at least 23 joints (Fig. 17); cerci long and four-five jointed Zootermops is Antennae with fewer than 23 joints; cerci short and two-jointed 2 2. Head short, truncated in front, mandibles com- paratively short (Fig. 12A) Cryptotermes Head long and narrow, not truncated in 3 3. Head without a fontanelle (Figs. 10, llA, IIB) 4 Head with a fontanelle (ft) (Figs. 13A, 14, 15, 16A) 5 4. Pronotum (pr) with anterior margin deeply incised and angular (Figs. IIA, IIB) Incisitermes Pronotum (pr) with anterior margin concave (Fig. 10) Kalotermes - 1095 -. 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. Animal and Plant Health Service. Plant Protection and Quarantine Programs; United States. Bureau of Entomology and Plant Quarantine; United States. Plant Pest Control Division. Hyattsville, MD. [etc. ] Plant Protection and Quarantine Programs Animal and Plant Health Service
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