Table 1 Collection of insects found in each study locality
Location | No. of specimens | Infestation indices | Colonization index | Crowding indices | |||
|---|---|---|---|---|---|---|---|
% Positive traps (positive no./total no.) | % Positive palms (positive no./total no.) | No. in othersa (positive no.) | Palmsb | No. of insects per positive trap | No. of insects per positive palm | ||
San Borja | |||||||
SB1 | 0 | 0% (0/55) | 0% (0/11) | 0 (–) | – | – | – |
SB2 | 7 | 6% (6/100) | 25% (5/20) | 0 (–) | 40% | 1.2 | 1.4 |
SB3 | 75 | 43% (38/89) | 89% (16/18) | 0 (–) | 100% | 2.0 | 4.7 |
Total | 82 | 18% (44/244) | 43% (21/49) | 0 (–) | 86% | 1.9 | 3.9 |
San Joaquin | |||||||
SJ1 | 2 | 1% (1/75) | 7% (1/15) | 0 (–) | 100% | 2.0 | 2.0 |
SJ2 | 0 | 0% (0/80) | 0% (0/19) | 0 (–) | – | – | – |
SJ3 | 98 | 53% (31/59) | 83% (10/12) | 0 (–) | 100% | 3.2 | 9.8 |
Total | 100 | 15% (32/214) | 24% (11/46) | 0 (–) | 100% | 3.1 | 9.1 |
Trinidad | |||||||
T1 | 105 | 45% (38/85) | 82% (14/17) | 3 (0) | 100% | 2.8 | 7.5 |
T2 | 6 | 6% (5/84) | 18% (3/17) | 0 (–) | 100% | 1.2 | 2.0 |
T3 | 0 | 0% (0/57) | 0% (0/11) | 0 (–) | – | – | – |
Total | 111 | 19% (43/226) | 38% (17/45) | 3 (–) | 100% | 2.6 | 6.5 |
Cobija | |||||||
C1 | 12 | 13% (8/60) | 36% (4/11) | 5 (0) | 100% | 1.5 | 3.0 |
C2 | 2 | 4% (1/24) | 20% (1/5) | 0 (–) | 100% | 2.0 | 2.0 |
C3 | 3 | 3% (3/104) | 11% (2/18) | 14 (0) | 100% | 1.0 | 1.5 |
Total | 17 | 6% (12/184) | 21% (7/34) | 19 (–) | 100% | 1.4 | 2.4 |
Guayaramerín | |||||||
G1 | 3 | 4% (3/81) | 19% (3/16) | 0 (–) | 100% | 1.0 | 1.0 |
G2 | 3 | 4% (3/71) | 14% (2/14) | 0 (–) | 100% | 1.0 | 1.5 |
Total | 6 | 4% (6/152) | 17% (5/30) | 0 (–) | 100% | 1.0 | 1.2 |
Riberalta | |||||||
R1 | 2 | 5% (2/40) | 13% (1/8) | 0 (–) | 100% | 1.0 | 2.0 |
R2 | 7 | 10% (6/61) | 33% (4/12) | 1 (0) | 100% | 1.2 | 1.8 |
R3 | 0 | 0% (0/79) | 0% (0/14) | 9 (0) | – | – | – |
Total | 9 | 4% (8/180) | 15% (5/34) | 10 (–) | 100% | 1.1 | 1.8 |
Overall total | 325 | 12% (145/1200) | 28% (66/238) | 32 (0) | 95% | 2.2 | 4.9 |