Knowledge of development of the bed bug Cimex lectularius L. (Hemiptera: Heteroptera) under specific environmental conditions could lead to improved management techniques. Developmental rates, age-, and stage-specific life tables were compared for a laboratory strain and a field strain of bed bugs reared on human blood. Both strains were then crossed reciprocally to produce four F1 generations and subsequent age- and stage-specific life tables were constructed. No significant differences were found in the overall survival of the parental strains, but significant differences were found in development rate within various instars based on strain. Parallel results were derived from the F1 generation hybrids. Stable age distribution calculations predict that 80% of bedbugs within exponentially growing populations will be immature.
Knowledge of bed bug development under varying conditions can lead to more sophisticated management techniques. Development rate, age and stage-specific life tables were compared for a laboratory strain (HS) and field strain (ECL-05) of bed bug Cimex lectularius L. (Hemiptera: Heteroptera) reared on two blood regimens: human or rabbit blood. Harlan and ECL-05 bed bugs reared on human blood had a life expectancy of 207 and 208 days respectively from the egg stage. Egg to adult development of HS bed bugs reared on human blood (~35 days) was significantly longer than that of the ECL-05 strain (~33 days) in the third, fourth, and fifth instars. The HS and ECL-05 bed bugs reared on rabbit blood had a life expectancy of 149 and 174 days respectively. Egg to adult development time of HS on rabbit blood (~52 days) was significantly longer than ECL-05 (~37 days) in every instar, and HS total life span was significantly shorter compared to ECL-05. Developmental differences based on strain and blood regimen suggest rabbit blood is an inferior blood source for colony maintenance, and strain has variable effects on bed bug development. Findings suggest that blood regimen should strongly be considered in bed bug colony maintenance.
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